Answer:
A: Calcium is a group 2 element with two valence electrons. Therefore, it is very reactive and gives up electrons in chemical reactions. It is likely to react with an element with six valence electrons that “wants” to gain two electrons. This would be an element in group 6, such as oxygen.
Answer:
Explanation:
u take them all outside and put safety on
A student determines that 23.1 J of heat are required to raise the temperature of 6.67 g of an
Answer:
b
Explanation:
it express the mass no of the element
Answer:
the person above me is very right
Explanation: