Periodic Table Review

Referring to the periodic table, the element calcium should have the most properties in common with ___.

• Magnesium (Mg)

• Chlorine (Cl)

• Potassium (K)

• Gold (Au)

Tags

NGSS.MS-PS1-1

All elements in the same group have the same number of ___.

• valence electrons

• neutrons

• protons

• atomic mass units

The atomic number of an element is equivalent to its ___.

• number of protons

• number of neutrons

• number of protons and neutrons

• number of valence

Na, Ca, and K are the symbols for the elements sodium, calcium, and potassium, respectively. Which statement is true for potassium?

• Its atomic number is 19, its atomic mass is 39.09, and it is in the same family as calcium.

• Its atomic number is 39.09, its atomic mass is 19, and it is in the same family as calcium.

• Its atomic number is 19, its atomic mass is 39.09, and it is in the same family as sodium.

• Its atomic number is 39.09, its atomic mass is 19, and it is in the same family as sodium.

Tags

NGSS.MS-PS1-1

Which set of element pairs contains elements chemically similar to each other?

• H and Be

• N and O

• He and Ca

• F and Cl

Which of the following is true for sodium (Na)?

• Its atomic number is 11, its atomic weight is 22.99, and it is in the same family as magnesium (Mg).

• Its atomic number is 22.99, its atomic weight is 11, and it is in the same family as potassium (K).

• Its atomic number is 11, its atomic weight is 22.99, and it is in the same family as potassium (K).

• Its atomic number is 22.99, its atomic weight is 11, and it is in the same family as magnesium (Mg).

Tags

NGSS.MS-PS1-1

A student receives a model of an atom that contains 7 protons, neutrons, and electrons, and has an atomic mass of 14. What procedure can the student use to identify the atom?

• Student can use the periodic table to find an element with an atomic number of 14, which is the number of protons and neutrons.

• Student can use the periodic table to find an element with an atomic number 7, which represents the number of neutrons.

• Student can use the periodic table to find an element with atomic number 7, which represents the number of protons.

• Student can use the periodic table to find the element with atomic number 14, which represents the number of electrons and neutrons.

Tags

NGSS.MS-PS1-1

What distinguishes each element from all others, and gives it unique physical and chemical properties?

• The number of protons

• The number of neutrons

• The electron configuration

• The element's universal origin

In which direction do periods run on the periodic table of elements?

• horizontal

• vertical

• zigzag

• diagonal

In which direction do families or groups run on the periodic table?

• horizontal

• vertical

• diagonal

• zigzag