IPC Semester 1 Final Exam Review

The law of conservation of energy states that energy is neither created nor destroyed.

• True

• False

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

NGSS.HS-PS3-4

The kinetic molecular theory describes the behavior of matter in terms of particles in motion.

• True

• False

Tags

NGSS.HS-PS3-4

When a chemical equation contains the same number of atoms on both sides, the equation is balanced.

• True

• False

Tags

NGSS.HS-PS1-7

A chemical formula uses the chemical symbol and dots representing electrons.

• True

• False

In covalent bonds, atoms share electrons to fill up energy levels.

• True

• False

Tags

NGSS.HS-PS1-1

Chemical equations are balanced by changing the subscripts of the molecules.

• True

• False

Tags

NGSS.HS-PS1-7

According to the law of conservation of mass, three atoms of calcium can react to produce six atoms of calcium.

• True

• False

Tags

NGSS.HS-PS1-7

Elements that are gases, or are brittle solids, and are poor conductors at room temperature are ____.

• metals

• nonmetals

• metalloids

• isotopes

Tags

NGSS.HS-PS1-1

The breaking down of a substance into two or more simpler substances is ____.

• decomposition

• displacement

• a catalyst

• synthesis

Each substance to the right of the arrow in a chemical equation is a(n) ____.

• chemical

• liquid

• reactant

• product