Chapter 4 Mchugh Test

Question 1

Which is NOT one of the most abundant elements in the human body.

Answer 1

Iron
Nitrogen
Carbon
Oxygen

Question 2

Scientist who put the study of chemistry on a firm experiment basis.

Answer 2

Bohr
Boyle
Rutherford

Question 3

The fundamental particle of a chemical element according to daltons theory is the

Answer 3

Electron
Proton
Atom
Molecule

Question 4

The scientist who concluded that atoms emit tiny negative particles were

Answer 4

JJ Thompson
John Dalton
Ernest Rutherford
Chadwick and Rutherford

Question 5

The scientist whose alpha particle scattering experiment led him to conclude that the nucleus of a atom contains a dense center of a positive charge was

Answer 5

Ernest Rutherford
Robert Millikan
John Dalton

Question 6

Atoms of the same element having the same atomic number but have different mass numbers are called

Answer 6

Isomers
Orbitals
Isotopes
Neutrons

Question 7

Choose the pair which has charges that are equal in magnitude but opposite direction.

Answer 7

Proton and neutron
Neutron and electron
Proton and electron

Question 8

T or F

The term atomic mass and mass # are not synonymous

Answer 8

True

Question 9

The # of protons in the nucleus of an aim is called its

Answer 9

Atomic #
Mass #
Atomic mass

Question 10

Which atomic particle determines the chemical behavior of an atom

Answer 10

Proton
Neutron
Electron

Question 11

The Law of Constant Composition states that “A given compound contains the same proprtions of the elements”.These proportions are by:

Answer 11

Volume
Mass
Size

Question 12

The most abundant element in both organic and inorganic worlds.

Answer 12

Silicon
Carbon
Hydrogen
Oxygen