Atoms and Elements

1. Matter is anything that takes up____ and has____.

• space, weight

• space, mass

• air, weight

• air, mass

2. These are the basic building blocks of all matter.

• cells

• minerals

• atoms

• bricks

The 3 basic parts of an atom are

• protons, neutrons, shells

• protons, neutrons, electrons

• protons, neutrons, elements

These are the positively charged sub atomic particles of an atom.

• protons

• neutrons

• electrons

These are the negatively charged sub atomic particles of an atom.

• protons

• neutrons

• electrons

These are the neutrally charged sub atomic particles of an atom.

• protons

• neutrons

• electrons

7. This is a pure substance that CANNOT be separated into a simpler substance by ordinary chemical processes.

• mixture

• compound

• element

• atom

Each element on the Periodic Table is represented by 1 or 2 of these.

• numbers

• words

• letters

If an element has an atomic number of 26 and an atomic mass of 39, how many protons does it have?

• 13

• 16

• 26

• 39

If an element has an atomic number of 19 and an atomic mass of 39, how many electrons does it have?

• 19

• 39

• 20

• 38