Atoms Elements and Compounds

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms

Which part of an atom has no charge?

• protons
• neutrons
• electrons
• atoms

What is this diagram represent (show)?

• atom

• element

• molecule

• compound

Where are protons and neutrons located? 

• in the nucleus
• in the electron cloud
• in the valence shell

Tags

NGSS.MS-PS1-1

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Tags

NGSS.MS-PS1-1

What does the diagram show?

• A mixture of two elements
• A pure compound
• A mixture of two compounds
• A mixture of a compound & element

TRUE OR FALSE:
There are about 118 elements.

• True
• False

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

• 14
• 7
• 15
• 18

Which is an electron?

• A
• B
• C