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Q 1/25
Score 0
Basic unit of matter
30
Atom
Q 2/25
Score 0
the attractive forces that hold atoms together
30
Chemical Bond
25 questions
Q.
Basic unit of matter
1
30 sec
Q.
the attractive forces that hold atoms together
2
30 sec
Q.
a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
3
30 sec
Q.
a substance produced by a chemical reaction
4
30 sec
Q.
places of carbon accumulation
5
30 sec
Q.
contains carbon
6
30 sec
Q.
CO2
7
30 sec
Q.
A simple sugar used as the main chemical energy source for cellular respiration
8
30 sec
Q.
a number in front of a chemical formula that indicates the amount of molecules involved in a reaction
9
30 sec
Q.
a law that states that matter, mass, or energy cannot be created or destroyed in ordinary chemical and physical changes
10
30 sec
Q.
a vertical column of elements having the same valence electron configuration and showing similar properties
11
30 sec
Q.
Horizontal row of elements with the same number of energy levels, but their properties change as you move from left to right.
12
30 sec
Q.
area around the nucleus of an atom where the atom's electrons are most likely to be found
13
30 sec
Q.
macromolecule made from carbon and hydrogen atoms; includes fats, oils, and waxes and long-term energy storage
14
30 sec
Q.
a group of two or more atoms that are bonded together and can be made of the same type of atoms, like oxygen (Oâ‚‚), or different types, like water (Hâ‚‚O).
15
30 sec
Q.
A chemical reaction where heat energy is absorbed by forming chemical bonds
16
30 sec
Q.
A chemical reaction in which heat energy is given off by breaking chemical bonds
17
30 sec
Q.
The electrons in the outermost shell of an atom involved in forming bonds.
18
30 sec
Q.
A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound.
19
30 sec
Q.
The products and reactants are separated by an arrow symbol
20
30 sec
Q.
substance(s) that takes part in and undergoes change during a reaction
21
30 sec
Q.
Center of an atom
22
30 sec
Q.
macromolecule consisting of chains of amino acids used to build cells and tissues
23
30 sec
Q.
A very large organic molecule composed of many smaller molecules that play a role in the growth and development of organisms
24
30 sec
Q.
macromolecule responsible for the expression of genes and making proteins; includes DNA and RNA
