Atomic Structure Pre-Quiz

Atoms of elements in the SAME GROUP of the periodic table share the same

• Number of energy levels

• Number of valence electrons

• Atomic numbers

• Atomic Masses

What is an atom's nucleus made of?

• Protons and electrons

• Protons only

• Protons and neutrons

• Neutrons only

How many electrons will a NEUTRAL atom of carbon have if its nucleus has 6 protons and 8 neutrons?

• 2

• 6

• 8

• 14

An element with 5 protons, 6 neutrons, and 8 electrons has an ATOMIC NUMBER of

• 5

• 6

• 8

• 11

An element with 5 protons, 6 neutrons, and 8 electrons has a MASS NUMBER of

• 5

• 6

• 8

• 11

The farther an electron is from the nucleus the more ______________ it has

• Charge

• Energy

• Mass

• Size

Atoms of the same element that have different number of neutrons are called

• Molecules

• Ions

• Protons

• Isotopes

The total number of electrons in the outer shell of a sodium atom is

• 1

• 2

• 8

• 18

Which particles determine the ATOMIC NUMBER of an element?

• Protons only

• Neutrons and protons

• Neutrons only

• Protons and electrons

The total number of neutrons in the nucleus of any atom is equal to the

• Mass number of the atom

• Atomic number of the atom

• Atomic number minus the mass number

• Mass number minus the atomic number