atomic structure
what are the three main types of a atom?
neutrons, electrons, and protons
what the atomic mass mostly made of?
protons and neutrons
what chart shows all the elements?
the periodic table
which particle is negative?
electron
what element do we breathe to survive?
oxygen
what particle has a positive charge?
proton
if an atom has 6 protons and 6 neutrons what is its atomic mass?
12
what does the atomic number tell you?
the number of protons
which particle is positive?
proton
what element is in the table salt with chlorine?
sodium
what particle has no charge?
neutron
do electrons affect atomic mass a lot?
no their very small
what element has an atomic number of 1?
hydrogen
which partice has no charge?
neutron
what element is the main part of diamonds?
carbon
where are the protons and neutrons located in the atom?
the nucleus
what do you add together to find the atomic mass?
protons and neutrons
what element has an atomic number of 6?
carbon
if an atom has 8 protons how many electrons will it have?
8
what metal is liquid at room temperature?
mercury
what particle moves around the nucleus?
electron
if an atom has 10 protons and 12 neutrons whats the atomic mass?
22
oxygen
if an atom has 12 protons and 13 neutrons whats its atomic mass?
25
what element is the most abundant in the universe?
hydrogen