Atoms And Periodic Table

Question 1

What are the columns in the periodic table called

Answer 1

Groups

Question 2

What are the rows in the periodic table called

Answer 2

Periods

Question 3

What happens to group 1 as u move down the group

Answer 3

The reactivity increases

Question 4

What happens to to the group 7 elements as u move down the group

Answer 4

Reactivity decreases

Question 5

What is group 7

Answer 5

Halogens

Question 6

What is group 0/8

Answer 6

The Nobel gases

Question 7

What is group 1

Answer 7

The alkali metals

Question 8

What is the charge of a proton

Answer 8

Positive

Question 9

What is the charge of a neutron

Answer 9

Neutral

Question 10

What is the charge of electrons

Answer 10

Negative

Question 11

What is the mass of a proton

Answer 11

1 a.m.u

Question 12

What is the mass of a neutron

Answer 12

1a.m.u

Question 13

What is the mass of an electron

Answer 13

0a.m.u

Question 14

What is the atomic number equal to

Answer 14

The number of protons = number of electrons

Question 15

Where are electrons found in the atom

Answer 15

In energy levels around the nucleus

Question 16

Where are the protons and neutrons found in an atom

Answer 16

In the nucleus

Question 17

What is the number at the top of nuclide notation

Answer 17

The mass number

Question 18

What is the number at the bottom of the symbol in nuclide notation

Answer 18

The atomic number

Question 19

What are isotopes

Answer 19

Atoms either the same atomic number but a different mass number

Question 20

What causes isotopes to have different mass numbers

Answer 20

They have different numbers of reactants

Question 21

What is the equation for relative atomic mass

Answer 21

RAM= (% abundance of isotope 1 x mass) + ( % abundance of isotope 2 x mass)
————————————————————-
100