21-22 Chemistry Semester 1 Review

What is the trend in a half-life graph?

What happens to the atomic number during gamma decay?

"20% of students responded to the survey about ice cream."

Principle that says that physical & chemical properties of elements are periodic functions of their atomic numbers is

Metals are ______.

What is a physical change?

What type of ions have names ending in -ide

Compared to molecules, ionic compounds are easy to identify because they

The particle containing 10 protons, 10 neutrons, and 8 electrons

Moving from left to right across a period, atomic radius

Where does nuclear fusion take place?

What is the atomic number?

Prefixes are used to indicate the number of atoms of each element in binary compounds of

When ions combine to form compounds, the overall charge of the compound formed must equal:

Which field of science studies the composition and structure of matter

What happens to the atomic number during betadecay?

Which scientist is credited as the "father of the periodic table"?

What is a chemical change?

Which of the following is the correct name for the formula: Cu(NO₃)₂

An unstable nucleus

Substances which cannot be further broken apart by ordinary chemical means are

Where are electrons?

What is the most reactive nonmetal?

What is the mass number?

Which of the following is classified as a molecule?

What happens to the mass number during alpha decay?

For the ionic bonding of Ca & P, the correct way to represent charge on each ion is

What is the formula for carbon tetrachloride?

What is the correct formula for potassium sulfite?

Which formula represents nickel (II) nitrate

Elements in a group that have similar properties have

Nuclear reactions release significantly more energy than chemical reactions.

"The kid asleep on the desk is tired from not getting enough sleep."

The discovery of the noble gases changed Mendeleev’s periodic table by adding a new

What is the name for the ion: NH₄⁺

Which of the following represents a compound?

"The house we passed by was white with pink shutters."

Atoms of the same element have the same number of

Which force is responsible for holding the nucleus together?

The amount of matter (g) within a specific volume (mL) is called