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100
The elements in a column of the periodic table
What is have similar properties.
100
Which branch of physical science studies the properties of matter and changes in matter?
What is chemistry
100
An ionic bond is the attraction between
What is oppositely charged ions.
100
Which particles in atoms have a negative electric charge?
What is electrons
100
The measurement of how much matter an object contains is its
What is mass
200
Table sugar and table salt are examples of
What is pure substances.
200
The variable that is expected to change because of another variable is known as the
What is responding variable.
200

Magnesium bromide is an ionic compound with the chemical formula MgBr2. What does the “2” tell you?

There are two bromide ions for every magnesium ion.

200
The volume of an irregular object can be measured by
What is submerging the object in water in a graduated cylinder.
200
Anything that has mass and takes up space is called
What is matter
300
How do liquid water, ice, and water vapor differ from each other?
What is They are different states of matter.
300
Each family in the periodic table has its own characteristic properties based on the number of
What is valence electrons
300

In the laboratory, volumes of liquid are usually measured with a(n)

graduated cylinder

300

In the periodic table, the most reactive metals are found

in Group 1, the first column on the left.

300
Counting the number of cookies on a plate is a(n)
What is quantitative observation.
400

Atoms are made up of 

What subatomic particles.(protons, neutrons, and electrons)

400
What holds atoms together in a molecule?
What is chemical bonds
400

When an atom loses an electron, it becomes a

What is positive ion.

400

The ability to do work or cause change describes

What is energy

400

In an atom, the number of protons equals the number of

What is electrons.

500
A material is said to be ductile if it
What is can be pulled out, or drawn, into a long wire.
500

An bond in which electrons are stolen or shared

What is ionic bond

500
All elements are composed of extremely small particles called
What is atoms
500

How would you calculate the density of an object?

Divide its mass by its volume.

500

H2O, CO2, and C12H22O11 are all examples of chemical

What is chemical formulas