Matter is composed of:
A) atoms
B) energy
C) mass
D) molecules
Correct Answer:
Verified
Q8: The atomic number of an element is
Q9: An atom has 20 electrons and 20
Q10: Atomic nuclei contain protons and _.
A)isomers
B)ions
C)moles
D)neutrons
Q11: Bicarbonate ions in the blood can absorb
Q12: Water molecules are polar with ends that
Q14: All atoms possess the ability to do
Q15: When atoms gain or lose electrons,they become
Q16: The negative logarithm of the hydrogen ion
Q17: Negatively charged subatomic particles that have almost
Q18: Cl + e- → Cl- is an
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