2023-24 Physical Science Ch 5C "Writing Chemical Formulas"

• subscript

• superscript

• mainscript

• numberscript

• the compound currently does not have any nitrogen atoms

• the compound currently has one nitrogen atom

• the compound has the same number of nitrogen atoms as hydrogen atoms

• the compound is a binary compount

Tags

NGSS.MS-PS1-1

In naming common Anions in Chemical Formulas, Flourine's (a 1- non-metal) suffix is changed to ______________.

• -ide

• -odine

• -oxide

• no changes need to be made to Flourine

Using the Periodic Table on pages 586-587 in your textbook, what ratio of atoms (ions) would you expect to find in potassium sulfide?

• one atom of potassium for every two atoms of sulfur

• one atom of potassium for every three atoms of sulfur

• two atoms of potassium for every one atom of sulfur

• three atoms of potassium for every one atom of sulfur

Tags

NGSS.MS-PS1-1

When writing chemical formulas, the Anion (the negative Ion) is placed first in the formula.

• True

• False

A Polyatomic Ion is a group of three or more ionically bonded atoms

• True

• False

A superscript on a chemical formula indicates the number of atoms.

• True

• False

Tags

NGSS.MS-PS1-1

Covalent or Ionic Bond?

Bond occurring between oppositely charged ions

• Covalent

• Ionic

Covalent or Ionic Bond?

Bond occurring between atoms with very different electronegativities

• Covalent

• Ionic

Covalent or Ionic Bond?

Bond resulting from two atoms sharing electrons

• Covalent

• Ionic