BMST Atomic Structure and Bonding 2

Question 1

Which subatomic particle determines the chemical identity of an element?

Accepted Answer

Proton

Answer

Neutron

Answer

Electron

Answer

Photon

Question 2

What type of bond forms when one atom completely transfers an electron to another?

Accepted Answer

Ionic bond

Answer

Covalent bond

Answer

Metallic bond

Answer

Hydrogen bond

Question 3

An atom has 17 protons and 18 neutrons. What is its mass number?

Accepted Answer

35

Answer

17

Answer

18

Answer

1

Question 4

Which electron shell can hold a maximum of 8 electrons?

Accepted Answer

Second shell (n=2)

Answer

First shell (n=1)

Answer

Third shell (n=3)

Answer

Fourth shell (n=4)

Question 5

What is a polar covalent bond?

Accepted Answer

An unequal sharing of electrons due to electronegativity differences

Answer

A bond between two metals

Answer

An equal sharing of electrons between atoms

Answer

A bond formed by electron transfer

Question 6

Isotopes of the same element differ in their number of:

Accepted Answer

Neutrons

Answer

Protons

Answer

Electrons

Answer

Energy levels

Question 7

Which model of the atom describes electrons as existing in a cloud of probability?

Accepted Answer

Quantum mechanical model

Answer

Dalton's model

Answer

Thomson's plum pudding model

Answer

Bohr's model