Atomic structure and electronic configuration 2

What is the charge of a proton?

• Negative

• Neutral

• Positive

• Variable

What is the charge of an electron?

• Positive

• Neutral

• Negative

• Variable

Tags

NGSS.MS-PS2-3

What is the electronic configuration of Lithium?

• 1.1

• 2.1

• 2.2

• 1.2

How many Electrons are in one atom of Lithium?

• 2

• 3

• 4

• 5

Atoms of the same element must always have the same number of _________.

• neutrons

• electrons

• protons

• nuclei

What is the relative mass of a proton?

• 0.5

• 1

• 2

• 0.1

What is the mass number of an atom?

• The total number of protons and neutrons in the nucleus.

• The total number of electrons in the atom.

• The number of protons only in the nucleus.

• The average weight of all isotopes of the element.

What is the maximum number of electrons in the second shell of an atom?

• 2

• 8

• 18

• 32

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• Variable

How do you find the number of neutrons in an atom?

• Mass number + Atomic number

• Mass number - Atomic number

• Atomic number - Mass number

• Mass number x Atomic number