chapter 1-2 Flashcards
1
Q
a negatively charged, subatomic particle with a mass more than one thousand times less than that of an atom
A
electron
2
Q
the positively charged subatomic particles found in the nucleus
A
proton
3
Q
atoms of the same element that differ in mass
A
isotope
4
Q
uncharged subatomic particles with a mass approximately the same as that of protons
- mass is slightly greater than protons.
A
neutrons
5
Q
statement that summarizes a vast number of experimental observations, and describes or predicts some aspect of the natural world
A
Law
6
Q
tentative explanation of observations that acts as a guide for gathering and checking information.
A
hypothesis
