Writing/Naming Chemical Compounds

The correct formula for the diagram is _________.

• K₂O
• 2KO
• KOK₂
• KO₂

Tags

NGSS.MS-PS1-1

Carbon has four electrons in its valence shell. How many nore electrons does carbon need to have a full valence shell?

• 2 more
• 4 more
• 8 more
• 0 more, it is already full

What is the correct term for "bond that forms when electrons are shared equally"?

• ionic bond
• metallic bond
• nonpolar covalent bond
• polar covalent bond

What is the correct term for "bond that forms between a metal and a nonmetal"?

• ionic bond
• metallic bond
• nonpolar covalent bond
• polar covalent bond

What is the correct term for "bond that forms when electrons are shared unequally"?

• ionic bond
• metallic bond
• nonpolar covalent bond
• polar covalent bond

What is the correct term for "atom with more protons than electrons"?

• positive ion (cation)
• negative ion (anion)
• neutral atom
• stable atom

What is the correct term for "atom with more electrons than protons"?

• positive ion (cation)
• negative ion (anion)
• neutral atom
• stable atom

What is the correct term for "atom with a full valence shell"?

• positive ion (cation)
• negative ion (anion)
• neutral atom
• stable atom

Protons are positively charges, electrons are negatively charged, and neutrons are neutral. Using the diagram, determine the overall charge.

• positive
• negative
• neutral
• static

Tags

NGSS.MS-PS1-1

Which of the following formulas represents the harmful gas, carbon monoxide?

• CO
• CO₂
• NO
• SO₂