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Q 1/33
Score 0
anything that takes up space
30
Matter
Q 2/33
Score 0
substance that cannot be decomposed into simpler substances by chemical means, and is made up of atoms all with identical number of protons.
30
element
33 questions
Q.
anything that takes up space
1
30 sec
Q.
substance that cannot be decomposed into simpler substances by chemical means, and is made up of atoms all with identical number of protons.
2
30 sec
Q.
A material made up of two or more parts or elements.
3
30 sec
Q.
any of various chemical elements, such as iron, manganese, zinc, copper, and iodine, that occur in very small amounts in organisms and are essential for many physiological and biochemical processes.
4
30 sec
Q.
The smallest possible unit of an element that still has all the chemical properties of that element.
5
30 sec
Q.
subatomic particle with a positive electric charge.
6
30 sec
Q.
a stable atomic particle that has a negative charge
7
30 sec
Q.
An elementary atomic particle that has no charge and a mass that is approximately the same as that of a proton
8
30 sec
Q.
One of several nuclides having the same number of protons in their nuclei and hence having the same atomic number, but differing in the number of neutrons and therefore, in the mass number.
9
30 sec
Q.
The number of protons in the nucleus of an atom
10
30 sec
Q.
total number of protons and neutrons in is nucleus
11
30 sec
Q.
Any rearrangement of electrons in two atoms that generates a force, causing the atoms to be bound to each other, forming a molecule.
12
30 sec
Q.
A chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms
13
30 sec
Q.
a type of bond that occurs when two atoms share a pair of electrons with each other
14
30 sec
Q.
a type of chemical bond where a pair of electrons is unequally shared between two atoms.
15
30 sec
Q.
when one atom gives up one or more electrons to another atom.
16
30 sec
Q.
a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom.
17
30 sec
Q.
Very weak, transient connections that are the result of asymmetrical distribution of electrons within a molecule.
18
30 sec
Q.
the sticking together of alike molecules, such as water molecule being attracted to another water molecule.
19
30 sec
Q.
The binding of a cell to another cell, or a cell to a surface
20
30 sec
Q.
the process where plants absorb water through the roots and then give off water vapor through pores in their leaves.
21
30 sec
Q.
The amount of heat needed to raise the temperature of one gram of a substance by one degree Celsius, or to raise the temperature of one pound of a substance by one degree Fahrenheit.
22
30 sec
Q.
Lacking an affinity for water; insoluble in water; repelling water.
23
30 sec
Q.
Having an affinity for water; capable of interacting with water through hydrogen bonding
24
30 sec
Q.
a measure of the hydrogen ion concentration of a solution.
25
30 sec
Q.
excess of Hydrogen (H) ions
26
30 sec
Q.
excess of Hydroxide (OH) ions
27
30 sec
Q.
Minimizes changes in pH
28
30 sec
Q.
a chemical reaction that involves the loss of a water molecule from the reacting molecule.
29
30 sec
Q.
A chemical reaction in which water is used to break down a compound
30
30 sec
Q.
A process in which the folding structure of a protein is altered due to exposure to certain chemical or physical factors (e.g. heat, acid, solvents, etc.), causing the protein to become biologically inactive
31
30 sec
Q.
An organic compound always contains carbon.
32
30 sec
Q.
One of two or more molecules that have the same chemical formula but have a different arrangement of their atoms.
