Answer:
Atomic Number = 3.
Explanation:
The number of protons determines the atomic number. Basically the number of protons is the exact same as the atomic number.
Protons 3 = Atomic number 3
Answer: 22 neutrons
Explanation: 40 is the mass number = atomic mass = total number of protons and neutrons in atomic nucleus
18 is the number of protons in the nucleus of this atom
Then 40 - 18 = 22 neutrons
and this is Argon
Answer: Number 2.
Explanation:
It releases massive amounts of radiation
Answer:
1).There are 6.87 x 1023 atoms in 1.14 mol SO3, or sulfur trioxide (mol is the abbreviation for mole)
2).6.022*1023 R.P . is equal to 144
3)7.02 g Si
4)104*10 raised to 1
5)idk
6)142.04 g/mol
7)atom
8) idk
Explanation: