chapter 1: materials Flashcards
1
Q
all the atoms in a … are the same
A
element
2
Q
the atoms in a … are not the same. they are ‘…’ to each other.
A
compound
‘stuck’
3
Q
a … has different atoms … together. they are not ‘…’ to each other.
A
mixture
mixed
‘stuck’
4
Q
47 —> ?
Ag
108 —> ?
A
—> atomic number
—> atomic mass
BIGGER NUMBER = ATOMIC MASS
5
Q
what does the atomic number tell us
A
tells us protons and electrons
6
Q
how does the atomic mass tell us how many neutrons
A
atomic mass - atomic number = how many neutrons
7
Q
word equation for photosynthesis - what are the reactants and products
A
carbon dioxide + water (reactants)—> glucose + oxygen (products)
