Answer:
Newton
Explanation:
ive answered like 3 of these types of questions today lol
Hi there.
Alkali metals are known as the group 1 elements.
When we know this, we just have to look to group 1 of the periodic table.
Rb (Rubidium) is in group 1; it is classified as an alkali metal.
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Answer: The answer is the second choice.
Explanation:
Answer:
1 mole of water (H2O)
Explanation:
Water has a chemical formula of H2O, there will be 2 moles of hydrogen in every mole of water.
In one mole of water, there will exist approximately 6.02×10^23 water molecules.
So, there will be a total of 6.02×10^23×2≈1.2⋅10^24 hydrogen atoms.
