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If an element is divided into smaller and smaller parts, the smallest particles obtained would be
an atom
An atom of calcium
a pea
125
Atoms combine to make all substances on Earth
Groups and Periods
subatomic particles
9
What is the mass number of an atom that has 4 protons, 4 electrons, and 5 neutrons?
an atom
An atom of calcium
a pea
125
Atoms combine to make all substances on Earth
Groups and Periods
subatomic particles
9
What are columns and rows called on the periodic table?
an atom
An atom of calcium
a pea
125
Atoms combine to make all substances on Earth
Groups and Periods
subatomic particles
9
Calcium is an element. What is the smallest particle of Calcium that has all the chemicals properties of Calcium?
an atom
An atom of calcium
a pea
125
Atoms combine to make all substances on Earth
Groups and Periods
subatomic particles
9
If a basketball was used to model a proton, what would be used to model an electron?
an atom
An atom of calcium
a pea
125
Atoms combine to make all substances on Earth
Groups and Periods
subatomic particles
9
Which of the following is not made up of atoms?
an atom
An atom of calcium
a pea
125
Atoms combine to make all substances on Earth
Groups and Periods
subatomic particles
9
Which statement is supported by the atomic theory?
an atom
An atom of calcium
a pea
125
Atoms combine to make all substances on Earth
Groups and Periods
subatomic particles
9
An atom's mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
an atom
An atom of calcium
a pea
125
Atoms combine to make all substances on Earth
Groups and Periods
subatomic particles
9
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