Answer:
73.0g of HCl
Explanation:
Check the attachment below for explanation.
The average atomic mass: 40.078 u
electron configuration is the long list underneath the name "calcium" on the element. it starts with 1s^2s^2
Answer:
accretion at convergent boundaries
Explanation:
The atom is krypton and its symbol is Kr.
the mass number is 41 + 36 = 77
its charge is 0 as it is a noble gas.
Answer:
The law of conservation of mass states that matter can not be created or destroyed in a chemical reaction.
Explanation: