science exam Flashcards
1
Q
mitosis is…
A
division of diploid cells
2
Q
how many daughter cells are created in mitosis?
A
2
3
Q
in mitosis what are the 5 phases?
A
interphase, prophase, metaphase, anaphase, telophase
4
Q
protons are on the…
A
nucleus
5
Q
electrons are on the…
A
electron shells
6
Q
neutrons are on the…
A
nucleus
7
Q
what is the isotope calculation
A
lithium atomsxmass=ans
8
Q
are the atoms of a given element identical
A
yes
9
Q
are the atoms of different elements the same
A
no
10
Q
why has the Dalton model changed over time
A
because of the discovery of subatomic particles
11
Q
can atoms be broken down into smaller pieces
A
yes (protons, neutrons and electrons)
12
Q
do atoms of the same element have identical numbers of protons and electrons
A
yes
13
Q
atoms of different elements have different amounts of protons and electrons
A
yes
