Atom Parts

Question 1

Where are the groups in a periodic table?

Answer 1

Elements with similar chemical properties vertical columns

Question 2

Where are the periods in a periodic table?

Answer 2

Elements arranged in a horizontal row, whose properties change from metallic on the left to non-metallic on the right.

Question 3

What are protons?

Answer 3

Heavy positively charged particles found in the nucleus.

Question 4

What are electrons?

Answer 4

Negatively charged particles with almost no mass. They circle the nucleus at different energy levels.

Question 5

What is the letter that represents the atomic number?

Answer 5

Z

Question 6

What does the atomic number represent?

Answer 6

The number of protons & electrons in the nucleus of the atom IF the atom is electronically netural.

Question 7

What is the letter that represents the atomic mass?

Answer 7

A

Question 8

What is the formula for finding the number of neutrons?

Answer 8

N = A - Z

Neutrons = Atomic mass - Atomic number

Question 9

What are the filling rules for a Bohr Rutherford diagram?

Answer 9

2, 8, 8, 18

Question 10

What is the octet rule?

Answer 10

It is a rule that states that all atoms want to have 8 outer electrons called valence electrons so the atom can be stable.