Atoms and Molecules

A neutron has what charge and is located where?

• positive

  nucleus

• neutral

  nucleus

• negative

  nucleus

• positive

  orbiting

An electron has a ____________ charge.

Which particle has such a small weight that we consider it to be 0?

• electron

• neutron

• catron

• proton

The atomic number tells us:

• The number of neutrons

• The number of protons

• The number of electrons

• The number of protons and electrons

What is the symbol for cobalt?

• CO

• C

• Co

• Ca

Au is the symbol for

• Gold

• Silver

• Augmentin

• Aluminum

The atomic mass tells us the mass of:

• The neutrons

• The atom

• The electrons and the protons

• The neutrons and the protons

What element has the atomic number 7?

• Lithium

• Nitrogen

• Air

• Oxygen

What element has 29 electrons?

• Copper

• Cobalt

• Calcium

• Chlorine

How many neutrons does the element with the symbol K have?

• 21

• 19

• 20.098

• 20