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Grade 10 Periodic Table and Elements
Which of the following distinguishes an alkaline earth metal from an alkali metal?
  1. The atomic number
  2. The mass number
  3. The number of protons
  4. The number of valence electrons
Grade 12 Physics
In beta-minus decay, what is the change in atomic configuration?
  1. Increase in atomic number and mass number
  2. Decrease in atomic number and mass number
  3. Increase in atomic number, no change in mass number
  4. No change in atomic number, decrease in mass number
Grade 10 Functions and Relations
Unless otherwise stated, what type of numbers should one assume for set-builder notation?
  1. Real numbers.
  2. Non-negative real numbers.
  3. Rational numbers.
  4. Natural numbers.
Grade 5 Prefixes and Suffixes
Determine the meaning of the word below.

decimal
  1. a system of numbers related to the number ten
  2. a system of numbers related to the number one hundred
  3. a system of numbers related to the number one thousand
  4. a system of numbers related to the number one million
Grade 7 Periodic Table and Elements
What does the atomic number tell us?
  1. The number of protons and neutrons
  2. The number of positives and neutrals
  3. The number of neutrons
  4. The number of protons
Grade 7 Rational and Irrational Numbers
List all classifications for the number 5.
  1. rational, integer, whole number
  2. rational, whole number, natural number
  3. rational, whole number, natural number, integer
  4. whole number, natural number, integer
Grade 10 Periodic Table and Elements
The atomic number of an atom is always equal to
  1. the number of neutrons
  2. the number of electrons
  3. the number of protons
  4. the number of protons plus neutrons
Grade 3 Number Types
Which statement is correct?
  1. Counting numbers include all Whole numbers.
  2. Whole numbers include all Counting numbers.
  3. Whole numbers are the same as Counting numbers.
Grade 9 Periodic Table and Elements
What is equal to the atomic number?
  1. the mass number
  2. the number of electrons
  3. the number of protons
  4. the isotopes
Grade 6 Number Types
Grade 6 Rational and Irrational Numbers
Grade 6 Number Types
3.54 is known as which number type?
  1. A rational number
  2. An irrational number
  3. An integer
  4. A natural number
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Grade 10 Periodic Table and Elements
Grade 6 Social Studies
As we go back in B.C.E. time, the farther back in time we go, the
  1. Smaller the numbers become
  2. Larger the numbers become
  3. Numbers become letters
  4. Numbers stay the same
Grade 8 Atomic Structure
Isotopes are atoms of the same element with the same number of protons and
  1. a different number of electrons.
  2. a different number of molecules.
  3. a different number of neutrons.
  4. the same number of neutrons.
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