Question | Answer |
all of the things around you are called | matter |
if you keep cutting an object in half and half again u would eventually get down to an | atom |
atoms r mostley | empty |
the middle of the atom is the ______ it contains _____ an d______ | nuecleus, protons, nutrons |
protons have a _____ charge | postive |
nuetrons have a __ ____ or ______ charge | no charge , nuetrual |
around the nucleus are the | electrons |
everything tht u can touch and feel is mostely | empty space |
how small is an atom ? | 1M fit on the head of a pin |
____ are the basic building blocks of matter | atoms |
all matter is made of ___ and ________ | atoms, molecules |
what is the formula of water | H2O |
water is made of _ parts _______ and __ part ____ | 2 hydrogen
1 oxygen |
whta makes an atom diffrent from each other | number of protons and eletons or atomic number |
atoms are aranged in | groups |
atoms can all be found on | periodic table |
the ____ _______ is the number of protons in thre nucleus | atomic number |
there are __ elements that occur naturally | 92 |
NaCI is the compound for | salt |
everything in the universe is either _____ orn______ | energy ,matter |
_____, _____, and _____ are energy | heat light sound |
THINGS are made of | matter |
_______ is in every living thing | carbon |
______ chemistry is a branch of chemistry names after carbon | organic |