metais alcalinos e metais alcalinoterrosos
Reatividade no mesmo grupo
Em ambos os grupos, a reatividade aumenta com o aumento do período. Justificação: À medida que os níveis de energia ocupados aumentam, os eletrões de valência ficam mais afastados do núcleo. A atração nuclear é menor, sendo mais fácil "perder" eletrões.
Metais alcalinos:- Metais macios, densidade e pontos de fusão relativamente baixos. - Bons condutores de térmicos e elétricos. - Muito reativos. - Formam compostos iónicos, geralmente solúveis em água, originando soluções alcalinas (hidróxidos).
Metais alcalinoterrosos:- Mais duros e densos que os alcalinos; pontos de fusão mais elevados. - Bons condutores de térmicos e elétricos. - Menos reativos que os alcalinos. - Formam compostos iónicos, sendo os hidróxidos pouco solúveis em água (ex.: Mg(OH)₂). Originam soluções alcalinas
magnetic Whiteboard INFOGRAPHIC
Write a great headline.
Step 1
We are visual beings. We are capable of understanding images from millions of years ago, even from other cultures.
Step 2
We tell thousands and thousands of stories. ⅔ of ourconversations are stories.
Step 3
We need to interact with each other.We learn collaboratively.
Graphic + text
Graphics are very shareable, making them ideal for social media, and as if that weren't enough: they often generate quality traffic for the content we create.
‘Your content is liked, but it engages much more if it is interactive.’
Always cite the author.
magnetic Whiteboard INFOGRAPHIC
A catchy title
Do you feel like your text is still missing something? Add animation to capture your audience.
80%
WOW Effect
Write a catchy headline
90%
Write acatchy headline
Write a catchy headline
Bring life to the elements of your creation with animation. It's impossible not to pay attention to moving content!
Write a catchy headline
What you read: interactivity and animation can make the dullest content become something fun. At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds value and engages.
Attention! At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds valueand engages.
Write a great headline
Do you need more reasons to create dynamic content? Well: 90% of the information we assimilate comes through sight, and we retain 42% more information when the content is moving.
Did you know that... In Genially you will find more than 1,000 ready-made templates to showcase your content and 100% customizable, which will help you tell your stories?
Write a catchy headline
What you read: interactivity and animation can turn the most boring content into something fun. At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds value and engages.
Tip: Interactivity is the key piece to capturing the interest and attention of your audience. A Genially is interactive because your audience explores and engages with it.
With this feature...
You can add additional content that excites your audience's brain: videos, images, links, interactivity... Whateveryou want!
Did you know that Genially allows you to share your creation directly, without the need for downloads? Ready for your audience to view it on any device and promote it anywhere.
Write a great headline
What you read: interactivity and animation can turn the most boring content into something fun. At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds value and engages.
Write a catchy headline
What you read: interactivity and animation can turn the most boring content into something fun. At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds value and engages.
With this feature...You can add additional content that excites your audience's brain: videos, images, links, interactivity... Whatever you want!
Write a great headline
When giving a presentation, there are two objectives to pursue: to convey information and to avoid yawns. To achieve this, it may be good practice to create an outline and use words that will be etched in your audience's minds.
metais alcalinos e metais alcalinoterrosos
Carla Rodrigues
Created on April 13, 2026
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Transcript
metais alcalinos e metais alcalinoterrosos
Reatividade no mesmo grupo
Em ambos os grupos, a reatividade aumenta com o aumento do período. Justificação: À medida que os níveis de energia ocupados aumentam, os eletrões de valência ficam mais afastados do núcleo. A atração nuclear é menor, sendo mais fácil "perder" eletrões.
Metais alcalinos:- Metais macios, densidade e pontos de fusão relativamente baixos. - Bons condutores de térmicos e elétricos. - Muito reativos. - Formam compostos iónicos, geralmente solúveis em água, originando soluções alcalinas (hidróxidos).
Metais alcalinoterrosos:- Mais duros e densos que os alcalinos; pontos de fusão mais elevados. - Bons condutores de térmicos e elétricos. - Menos reativos que os alcalinos. - Formam compostos iónicos, sendo os hidróxidos pouco solúveis em água (ex.: Mg(OH)₂). Originam soluções alcalinas
magnetic Whiteboard INFOGRAPHIC
Write a great headline.
Step 1
We are visual beings. We are capable of understanding images from millions of years ago, even from other cultures.
Step 2
We tell thousands and thousands of stories. ⅔ of ourconversations are stories.
Step 3
We need to interact with each other.We learn collaboratively.
Graphic + text
Graphics are very shareable, making them ideal for social media, and as if that weren't enough: they often generate quality traffic for the content we create.
‘Your content is liked, but it engages much more if it is interactive.’
Always cite the author.
magnetic Whiteboard INFOGRAPHIC
A catchy title
Do you feel like your text is still missing something? Add animation to capture your audience.
80%
WOW Effect
Write a catchy headline
90%
Write acatchy headline
Write a catchy headline
Bring life to the elements of your creation with animation. It's impossible not to pay attention to moving content!
Write a catchy headline
What you read: interactivity and animation can make the dullest content become something fun. At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds value and engages.
Attention! At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds valueand engages.
Write a great headline
Do you need more reasons to create dynamic content? Well: 90% of the information we assimilate comes through sight, and we retain 42% more information when the content is moving.
Did you know that... In Genially you will find more than 1,000 ready-made templates to showcase your content and 100% customizable, which will help you tell your stories?
Write a catchy headline
What you read: interactivity and animation can turn the most boring content into something fun. At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds value and engages.
Tip: Interactivity is the key piece to capturing the interest and attention of your audience. A Genially is interactive because your audience explores and engages with it.
With this feature...
You can add additional content that excites your audience's brain: videos, images, links, interactivity... Whateveryou want!
Did you know that Genially allows you to share your creation directly, without the need for downloads? Ready for your audience to view it on any device and promote it anywhere.
Write a great headline
What you read: interactivity and animation can turn the most boring content into something fun. At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds value and engages.
Write a catchy headline
What you read: interactivity and animation can turn the most boring content into something fun. At Genially, we use AI (Awesome Interactivity) in all our designs, so you can level up with interactivity and turn your content into something that adds value and engages.
With this feature...You can add additional content that excites your audience's brain: videos, images, links, interactivity... Whatever you want!
Write a great headline
When giving a presentation, there are two objectives to pursue: to convey information and to avoid yawns. To achieve this, it may be good practice to create an outline and use words that will be etched in your audience's minds.