Level 1
Level 2
Level 3
Name that Number
Name that Mass
100
Subatomic particles with a positive charge are called _____.
Protons
100
_____ are particles of matter composed of one or more smaller units called atoms.
Molecules
100
Electrons dart around the limits of _____.
Orbitals
100
Carbon (C) has 6 protons, 6 electrons, and 6 neutrons. What is its atomic number?
6
100
Hydrogen (H) has 1 proton, 1 electron, and 0 neutrons. What is its atomic mass?
1
200
Subatomic particles with a negative charge are called _____.
Electrons
200
____ have a ph of 7 or lower.
Acids
200
_____ are fats and oils.
Lipids
200
Oxygen (O) has 8 protons, 8 electrons, and 8 neutrons. What is its atomic number?
8
200
Boron (B) has 5 protons, 5 electrons, and 6 neutrons. What is its atomic mass?
11
300
Subatomic particles with a neutral charge are called ______.
Neutrons
300
What is at the core of each atom, and composed of positively charged protons and uncharged neutrons?
Nucleus
300
_____ means carbon (C) and water (H2O)
Carbohydrate
300
Argon (Ar) has 18 protons, 18 electrons, and 22 neutrons. What is its atomic number?
18
300
Magnesium (Mg) has 12 protons, 12 electrons, and 12 neutrons. What is its atomic mass?
24
400
What is the combined number of protons and neutrons called?
Atomic mass
400
______ have a ph of 7 or greater.
Bases
400
_____ are very large molecules composed of basic units called amino acids.
Proteins
400
Potassium (K) has 19 protons, 19 electrons, and 20 neutrons. What is its atomic number?
19
400
Barium (Ba) has 56 protons, 56 electrons, and 81 neutrons. What is its atomic mass?
137
500
What is calculated by the number of protons (and the number of electrons, if there's no charge)?
Atomic number
500
How many electrons can each orbital hold?
Two
500
_____ are chemical catalysts.
Enzymes
500
Radon (Rn) has 86 protons, 86 electrons, and 136 neutrons. What is its atomic number?
86
500
Osmium (Os) has 76 protons, 76 electrons, and 114 neutrons. What is its atomic mass?
190
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