Chem Marathon 1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

Tags

NGSS.MS-PS1-1

Which of these is a property of metals?

• Malleable
• Good Insulator
• Dull
• Very brittle

Which of the following is typically a good conductor of heat?

• Metal
• Nonmetal
• Metalloid

What is a row?

• A row goes from side to side.
• A row goes from up to down.

What is a column?

• A column goes from up to down.
• A column goes from left to right.

In the modern periodic table elements are arranged by increasing:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

An element's identity is determined by the number of

• electrons.
• protons.
• neutrons.
• valence.

A valence electron or electrons exist in the ______ energy level.

• Innermost

• Middle

• Outermost