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Q 1/30
Score 0
A positively charged subatomic particle that is found in the nucleus of an atom.
30
proton
Q 2/30
Score 0
A negatively charged subatomic particle that is found in the space outside the nucleus.
120
electron
30 questions
Q.
A positively charged subatomic particle that is found in the nucleus of an atom.
1
30 sec
Q.
A negatively charged subatomic particle that is found in the space outside the nucleus.
2
120 sec
Q.
A neutral subatomic particle that is found in the nucleus of the atom.
3
120 sec
Q.
Where the protons and neutrons are located.
4
120 sec
Q.
Equals the number of protons in an atom of an element. - atomic_____.
5
120 sec
Q.
The sum of the protons and neutrons in the nucleus of an atom: atomic _____.
6
120 sec
Q.
Elements that have the same atomic number but different mass numbers because they have different numbers of neutrons.
7
120 sec
Q.
An electron in an atom can move from one energy ______ to another when the atom gains or loses energy.
8
120 sec
Q.
The location of the electrons(s).
9
120 sec
Q.
Measures the relative strength with which the atoms of the element attract valence electrons in a chemical bond.
10
120 sec
Q.
The _______ energy is qualitatively defined as the amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated gaseous atom to form a cation.
11
120 sec
Q.
A region of space around the nucleus where an electron is likely to be found.
12
120 sec
Q.
The arrangement of electrons in the orbitals of an atom is known as the electron _________.
13
120 sec
Q.
When all the electrons in an atom have the lowest possible energies - known as the _____ state.
14
120 sec
Q.
A system of knowledge and the methods you use to find that knowledge.
15
120 sec
Q.
The use of knowledge to solve practical problems
16
120 sec
Q.
The study of the composition, structure, properties, and reactions of matter.
17
120 sec
Q.
The study of matter and energy and the interactions between the two through forces and motion
18
120 sec
Q.
An organized plan for gathering, organizing, and communicating information - the ________ method.
19
120 sec
Q.
The first step of the scientific method.
20
120 sec
Q.
Step #2 of the scientific method.
21
120 sec
Q.
The variable that can change another variable.
22
120 sec
Q.
The variable that changes in response to the manipulated variable - the ____ variable.
23
120 sec
Q.
A well-tested explanation for a set of observations or experimental results.
24
120 sec
Q.
A statement that summarizes a pattern found in nature - scientific _____.
25
120 sec
Q.
A representation of an object or event.
26
120 sec
Q.
A way of expressing a value as the product of a number between 1 and 10 and a power of 10. Scientific _______makes very large or very small numbers easier to work with.
27
120 sec
Q.
Gaining and electron
28
120 sec
Q.
Loss of electrons
29
120 sec
Q.
The elements that flow horizontally across the periodic table.
