Answer:
hydroxide ion
Explanation:
because base produce hydroxide ion when dissolved in water
Answer:
Mechanical weathering will cause wearing down of rocks.
Explanation:
All the other choices aren't suitable for a dry climate where sand storms occur.
The protons are equivalent to the atomic number, so we can determine that the element being expressed here is Magnesium. If you are ever stuck on what element you are finding your information from, just remember that the number of protons is the exact same as the atomic number in ANY situation :)
The charge of magensium is +2, with an atomic mass of 24. So A would be your answer :)
Answer:
D
Explanation:
sound is produced when the matter vibrates
Answer:
4 and 6
Explanation:
Period 4 has 18 elements and so does period 6.
