WorksheetsBiology by Nora
Total questions: 21
Worksheet time: 11mins
What is chemistry
the study of life
the study of matter
the study of rocks
the study of space
What is matter
the smallest particle
a negatively charged molecule
a positively charged molecule
the physical stuff that makes up the universe
what is an atom
the smallest particle
the largest particle
basically matter
Atoms have a nucleus that is not positively charged
True
False
Electrons are ______ charged
negitivly
positively
What moves around the nucleus
a cloud of negatively charged electrons
a cloud of positively charged electrons
nothing
tiny atoms
What are electrons in the the outermost level called
Valance
Mitochondria
nucleous
protons
A proton is negatively charged
true
false
A proton is located in the nucleus
true
false
A nutron is
positively charged
negatively charged
neutral charged
located outside the nucleus
If there is more of one than the other the electron is
dead
charged
that can't happen
deffused
If the same number of protons and electrons is electrically neutral.
The positive and negative cancel out.
It is positive
It is negative
It is neutral
What is an Ion
Uncharged atom
Charged atom
Extra electrons produce a negative ion or
anion
cation
ion
matter
Extra protons produce a positive ion or
cation
anion
ion
bion
Electrons and protons are very excited.
true
false
Protons and electrons are always opposing each other causing a
foce
pull
change
The electron cloud holds the electron in the atom.
True
False
Pure substances are not made of only one kind of atom
true
false
Living things have matter and
atoms
energy
nothing
growth
