Multiple Choice
Although solid matter is mostly empty space, we don't fall through the floor because
A) atoms are constantly vibrating, even at absolute zero.
B) of nuclear forces.
C) of gravitational forces.
D) of electrical forces.
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q43: If we doubled the magnifying power of
Q44: Which is the smallest particle?<br>A)molecule<br>B)atom<br>C)proton<br>D)neutron<br>E)quark
Q45: Atoms heavier than helium were at one
Q46: An atomic mass unit (amu)is 1/12 the
Q47: Compared to the energy it takes to
Q49: Which is the lightest particle?<br>A)proton<br>B)electron<br>C)neutron<br>D)all about the
Q50: When oxygen and hydrogen gases combine, the
Q51: Which of these investigators did NOT contribute
Q52: Two protons removed from an oxygen nucleus
Q53: Two protons added to an oxygen nucleus