Unit 1 Chemistry Grade 6 Review

What are the two structures found in the nucleus of an atom?

• Electrons and Neutrons

• Protons and Electrons

• Protons and Neutrons

• Neutrons and Electrons

What does the atomic number tell you?

• Number of protons

• Number of neutrons

• Sum of protons and neutrons

The modern periodic table of elements is organized by:

• Number of neutrons

• State of matter

• Atomic number

• Atomic mass

Which subatomic particle is found outside the nucleus?

• Isotope

• Electron

• Neutron

• Mass

Use your periodic table to determine which element has 5 protons.

• Lithium

• Calcium

• Boron

• Neon

The neutron has a ________________ charge.

• negative

• neutral

• positive

• low

Which subatomic particle has a positive charge?

• Electron

• Neutron

• Proton

• Nucleus

Which element has an atomic mass of 19?

• Hydrogen

• Argon

• Fluorine

• Potassium

What is the atomic mass of the displayed element?

• 14

• 28

• 42

Are atomic mass and atomic number the same?

• Yes

• No

• More or less