Science Quiz: Physics

1) Nuclei of atoms that make up a newborn baby were made in:
a) In the mother's body 
Ancient stars
The food the mother eats before giving birth
d) T
he earth

2) The reason a granite block is mostly empty space is because the atoms in the granite are:
a) Held together by electrical forces
b) I
c) M
ostly empty space themselves
d) N
ot as close together as they could be

3) Compared to the mass of a hydrogen atom, the mass of an oxygen atom is _____ times greater
a) 8
b) 12
c) 16
d) 32

4) If two protons are removed from an oxygen nucleus, the result is:
a) Carbon
b) Neon
c) Nitrogen
d) Helium

5) If one neutron is added to a helium nucleus, the result is:
a) Lithium
b) Helium
c) Hydrogen
d) Carbon

6) The chemical properties of matter comes mostly from its
a) Neutrons
b) Valence electrons
c) Protons
d) Neucleous

7) An excited atom decays to its ground state and emits a photon of green light. If instead, the atoms decays to an intermediate state, then the light emitted could be:
a) Violet
b) White
c) Blue
d) Red

8) How many electrons are found in the outermost shell of aluminum (Al,
atomic number 13)?

a) 2
b) 3
c) 5
d) 8

9) When radium (atomic number 88) emits an alpha particle, the
resulting nucleus has atomic number.

b) 90
c) 88
d) 86

10) Which experiences the least electrical force in an electric field?
a) Electron
b) Beta particle
c) Gamma ray
d) Alpha particle

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