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periodic table
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卡片总数: 6 张•内容版本: v4•公开卡包•更新时间: 8/1/2026
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#1
正面 (问题)
What are the vertical coloumns in periodic tables called
背面 (解答)
Groups
#2
正面 (问题)
What are horizontal row called in periodic table
背面 (解答)
Periods
#3
正面 (问题)
What happens in a chemical reaction
背面 (解答)
Elements combine to form new substances
#4
正面 (问题)
How do you know is very reactive
背面 (解答)
If an element is keen to combine with other elements it’s said to be very reactive Group 1, 2 and 7 elements are all pretty reactive
#5
正面 (问题)
How do you know what metals in Group 1 are reactive
背面 (解答)
Group 1 metals get more reactive as you go down the group This can be seen by how they react with water Lithium fizzes when it reacts with water (Li) Rubidium explodes when it reacts with water (Rb)
#6
正面 (问题)
How do you know what non-metals in Group 7 are reactive
背面 (解答)
Group 7 non-metals get less reactive as you go down