Atom/ Elements & Periodic Table

Question 0

The man who discovered the electron was…

Answer 0

J.J. Thompson

Question 1

The man who coined the term atomos was…

Answer 1

Democritus

Question 2

The man who discovered the nucleus was….

Answer 2

Ernest Rutherford

Question 3

The man who discovered neutrons was…

Answer 3

James Chadwick

Question 4

True or False: John Dalton had the planetary model of atoms.

Answer 4

False.

Question 5

True or False: the modern model of atoms is the quantum model.

Answer 5

True

Question 6

True or False: electrons are located inside the nucleus.

Answer 6

False.

Question 7

True or False: protons are located inside the nucleus.

Answer 7

True.

Question 8

True or False: neutrons are located outside the nucleus.

Answer 8

False.

Question 9

True or False: neutrons are the smallest subatomic particles.

Answer 9

False.

Question 10

Electrons in the outermost layer?

Answer 10

Valence electrons.

Question 11

Atoms of a single element having different numbers of neutrons?

Answer 11

Isotopes.

Question 12

One or two letters taking from an elements name?

Answer 12

Chemical symbols.

Question 13

Elements occurring as molecules of two atoms?

Answer 13

Diatomic

Question 14

Elements occurring as single atoms?

Answer 14

Monatomic.

Question 15

Elements with a name that means almost metals?

Answer 15

Metalliods.

Question 16

True or false: Each column on the periodic table is a family.

Answer 16

True.

Question 17

True or false: the group number represents the each element contains.

Answer 17

False.

Question 18

True or false: the horizontal rows are called periods.

Answer 18

True.

Question 19

Elements that have six valence electrons belong to which family?

Answer 19

The oxygen family.

Question 20

Elements with 7 valence electrons belong to which family?

Answer 20

Halogens.