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Q 1/35
Score 0
Anything that takes up space and has mass
30
Matter
Q 2/35
Score 0
A substance consisting of two or more different elements combined in a fixed ratio
30
Compound
35 questions
Q.
Anything that takes up space and has mass
1
30 sec
Q.
A substance consisting of two or more different elements combined in a fixed ratio
2
30 sec
Q.
Any substance that cannot be broken down to any other substance by chemical reactions
3
30 sec
Q.
A substance becoming acidic
4
30 sec
Q.
The smallest unit of matter that retains the properties of an element
5
30 sec
Q.
The total mass of an atom
6
30 sec
Q.
The number of protons in the nucleus of an atom, unique for each element and designated by a subscript
7
30 sec
Q.
A substance that reduces the hydrogen ion concentration of a solution
8
30 sec
Q.
An attraction between two atoms, resulting from a sharing of outer-shall electrons or the presence of opposite charges on the atoms, ultimately filling the outer electron shells
9
30 sec
Q.
The making and breaking of chemical bonds, leading to changes in the composition of matter
10
30 sec
Q.
A type of strong chemical bond in which two atoms share one or more pairs of valence electrons
11
30 sec
Q.
A subatomic particle with a single negative electrical charge and a mass about 1/2,000 that of a neutron or proton. One or more electrons move around the nucleus of an atom
12
30 sec
Q.
The attraction of a given atom for the electrons of a covalent bond
13
30 sec
Q.
The possible locations around an atom where electrons of similar energy can be found
14
30 sec
Q.
A type of weak chemical bond that is formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule or in another region of the same molecule
15
30 sec
Q.
Having an affinity for water
16
30 sec
Q.
A chemical bond resulting from the attraction between oppositely charged ions
17
30 sec
Q.
An atom or group of atoms that has gained or lost one or more electrons, thus acquiring a charge
18
30 sec
Q.
A compound resulting from the formation of an ionic bond, also called a salt
19
30 sec
Q.
One of several atomic forms of an element, each with the same number of protons but a different number of neutrons, thus differing in atomic mass
20
30 sec
Q.
The sum of the number of protons and neutrons in an atom's nucleus
21
30 sec
Q.
A type of covalent bond in which electrons are shared equally between two atoms of similar electronegativity
22
30 sec
Q.
A subatomic particle having no electrical charge, found in the nucleus of an atom
23
30 sec
Q.
A covalent bond between atoms that differ in electronegativity. The shared electrons are pulled closer to the more electronegative atom, making it slightly negative and the other atom slightly positive
24
30 sec
Q.
A material resulting from a chemical reaction
25
30 sec
Q.
A subatomic particle with a single positive electrical charge, found in the nucleus of an atom
26
30 sec
Q.
An isotope that is unstable; the nucleus decays spontaneously, giving off detectable particles and energy
27
30 sec
Q.
A starting material in a chemical reaction
28
30 sec
Q.
A colorless, transparent, odorless, tasteless liquid that is the basis of the fluids of living organisms
29
30 sec
Q.
A molecule with an uneven distribution of charges in different regions of the molecule
30
30 sec
Q.
A measure of how difficult it is to stretch or break the surface of a liquid
31
30 sec
Q.
The amount of heat that must be absorbed or lost in order for 1g of a substance to change its temperature by 1 degree Celsius
32
30 sec
Q.
A liquid that is a homogeneous mixture of two or more substance
33
30 sec
Q.
The dissolving agent of a solution. Water is the most versatile solvent known
