Elements And Compounds Question Preview (ID: 44247)


Review Of Terms And Concepts. TEACHERS: click here for quick copy question ID numbers.

Anything that has mass and occupies space
a) Mass
b) Matter
c) Molecule
d) Compound

Measurement of the amount of matter in an object
a) density
b) formula
c) mass
d) physical

Measurement of the amount of GRAVITATIONAL FORCE on an object
a) weight
b) mass
c) matter
d)

I am the basic building block of all matter. Who am I?
a) the molecule
b) a compound
c) the atom
d)

Char t of all elements known to exist
a) Elemental Chart of chemistry
b) Periodic Table
c) Chemical Content Table
d)

When 2 or more LIKE OR UNLIKE atoms combine they form a ______
a) molecule
b) element
c) compound
d)

When 2 or more UNLIKE atoms combine they form a _____
a) element Only
b) molecule Only
c) compound
d)

True or False A compound is NOT a pure substance.
a) true
b) false
c)
d)

A compound is represented by a ______________ Like SO2
a) chemical equation
b) chemical formula
c) molecular formula
d)

What is the ratio of atoms in the chemical formula: HO4
a) 1:4
b) 2:4
c) 1:1
d)

What unit of measurement is used to measure mass?
a) meters
b) liters
c) grams
d)

What instrument is used to measure mass?
a) triple beam balance
b) thermometer
c) barometer
d)

I am the 3rd most abundant gas in the air. If you run electricity through me I turn purple. Who am I?
a) nitrogen
b) oxygen
c) argon
d) carbon dioxide

If a model of air contains 7 oxygen molecules, how many nitrogen molecules should it have?
a) 7 nitrogen molecules
b) 28 nitrogen molecules
c) 14 nitrogen molecules
d)

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