The Atom and the Periodic table

Question 1

The majority of the elements on the periodic table are

Accepted Answer

metals

Question 2

If an isotope of Oxygen, Oxygen-13, has 6 protons, how many protons does Oxygen-14 have?

Accepted Answer

6

Question 3

The only element that has 0 neutrons is

Accepted Answer

Hydrogen

Question 4

How many electrons can go into the "K shell"?

Accepted Answer

2

Question 5

Gallium has an atomic number of

Accepted Answer

31

Question 6

If Carbon-14 has 6 protons, it has ____ electrons

Accepted Answer

6

Question 7

A group that has 6 valence electrons, needs

Accepted Answer

2 electrons

Question 8

An element with 28 electrons is

Accepted Answer

Nickel

Question 9

The mass number is the number of

Accepted Answer

protons + neutrons

Question 10

Which element is dull, brittle and a poor conductor?

Accepted Answer

Hydrogen

Question 11

An isotope is a version of an element that has a different number of

Accepted Answer

neutrons

Question 12

Electrons in the outer most shell are called

Accepted Answer

valence electrons

Question 13

Groups 3-12 are known as the

Accepted Answer

transition metals

Question 14

______ are ductile, malleable, shiny and good conductors

Accepted Answer

metals

Question 15

Calcium has ____ valence electrons

Accepted Answer

2

Question 16

Magnesium has ____ protons

Accepted Answer

12

Question 17

The mass of an electron is

Accepted Answer

virtually nothing

Question 18

The only group that is not reactive is

Accepted Answer

noble gases

Question 19

Which element is an Alkaline Earth metal?

Accepted Answer

Barium

Question 20

Which group needs 5 more electrons?

Accepted Answer

Boron group

Question 21

The mass of a neutron is

Accepted Answer

1 amu

Question 22

The charge of an electron is

Accepted Answer

negative

Question 23

Helium is in group 18, but it has ____ valence electrons

Accepted Answer

2

Question 24

The most reactive metals are found in

Accepted Answer

Alkali metals

Question 25

How many neutrons does Chlorine have?

Accepted Answer

18

Question 26

Which group contains very reactive nonmetals?

Accepted Answer

Halogens

Question 27

There are ____ groups on the periodic table

Accepted Answer

18

Question 28

The mass number of Fluorine is

Accepted Answer

19

Question 29

The top number on a chemical square represents

Accepted Answer

all of the above

Question 30

The charge of a nucleus is

Accepted Answer

positive

Question 31

The charge of a proton is

Accepted Answer

positive

Question 32

Chlorine needs ____ electron(s) to complete its outer shell

Accepted Answer

1

Question 33

It takes ____ electrons to complete the "L shell"

Accepted Answer

8

The Atom and the Periodic table

Questions 33

The Atom and the Periodic table

Questions 33