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odd element symbols
more odd element symbols
Bonds
terms
chemistry and laws
100
K
What is potassium
100
Cu
What is copper
100
a force that holds two atoms together
What is chemical bond
100
The new substance that is formed
What is product
100
The ability or inability of a substance to combine with or change into one or more new substances
What is chemical property
200
Na
What is sodium
200
Ag
What is silver
200
a combination of chemical symbols indicating what elements are present in a molecule
What is chemical formula
200
The starting material in a chemical reaction
What is reactant
200
The change of one or more substances into other substances
What is chemical change
300
Fe
What is iron
300
Pb
What is lead
300
Elements that are close to each other on the periodic table are likely to form these kinds of bonds
What are covalent bonds
300
A process that release energy as heat
What is exothermic
300
In the formula H2O, what the number 2 indicates
What is two atoms of hydrogen
400
Sn
What is tin
400
Hg
What is mercury
400
This is formed between atoms when give away or take electrons
What is ionic bond
400
A process that absorbs energy as heat
What is endothermic
400
The total mass before a chemical reaction is the same as the total mass after reaction
What is law of conservation of mass
500
Au
What is gold
500
Sb
What is antimony
500
A single covalent bond contains how many shared electrons
What is one pair
500
A molecule that contains two atoms
What is diatomic
500
Energy is neither created nor destroyed in chemical reactions
What is law of conservation of energy