Review-Atoms, Elements and Compounds

What is the chemical symbol for the element hydrogen

• H

• He

• h

• he

What is the chemical symbol for the element Silicon

• S

• Si

• si

• Sl

What is the chemical symbol for the element Carbon

• ca

• co2

• C

• Cd

The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

Tags

NGSS.MS-PS1-1

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

The smallest particle of any particular type of matter is known by which of the following terms?

• Compound
• Atom
• Chemical
• Element

The subatomic particle with a negative charge is the

• electron
• proton
• neutron
• nucleus 

Tags

NGSS.MS-PS2-3

What are the electrons of the "outer shell" of an element called?

• VALENCE ELECTRONS

• COMPOUND

• ELEMENT

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2