The Atom Question Preview (ID: 33120)


Parts Of The Atom. TEACHERS: click here for quick copy question ID numbers.

The center of the atom is called the _____.
a) electron cloud
b) circle
c) nucleus
d) neutron

The _____ and _____ are found in the nucleus.
a) protons, electrons
b) protons, neutrons
c) neutrons, electrons
d) ions, protons

_____ have a positive charge.
a) protons
b) neutrons
c) electrons
d) neutrinos

_____ have a negative charge.
a) neutrons
b) neutrinos
c) protons
d) electrons

The _____ surrounds the nucleus and contains the electrons.
a) atom cloud
b) electron cloud
c) iCloud
d) electron orbit

The neutrons have a _____ charge
a) positive
b) negative
c) ion
d) neutral/no

The _____ move around and jump from one energy level to another.
a) electrons
b) protons
c) neutrons
d) neutrinos

Overtime, the atom has changed
a) very quickly
b) from simple to more complex
c) very little
d) from more complex to simple

If an atom has 6 protons, how many electrons does it have?
a) 18
b) 2
c) 12
d) 6

If an atom has 2 protons and a mass of 4. How many neutrons does it have?
a) 4
b) 8
c) 2
d) 1

The amount of time it takes for an element to reduce its mass by half is called _____.
a) half-life
b) divided time
c)
d)

An element that has the same number of protons, but different number of neutrons.
a)
b)
c) ion
d) isotope

If an element has 8 electrons, how many protons does it have?
a) 8
b) 16
c) 4
d) 1

If an atomic mass is 15.991. What does it round to?
a) 16
b) 15
c) 10
d) 20

If an element has an atomic number of 10, how many protons does it have?
a) 10
b) 20
c) 5
d) 1

_____ is when an element gives off energy (radiation).
a) radioactive decay
b) isotope
c)
d)

Which of the following is not an example of radioactive decay?
a) Beta
b) Alpha
c) Delta
d) Gamma

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