Bonding Test Review

Based on its electron configuration, the element that will most likely gain electrons from another element when forming an ionic compound is (a)   .

• Sodium (Na)
• Titanium (Ti)
• Chlorine (Cl)
• Neon (Ne)

The alkali metal elements are in the same family in the periodic table because they all have ________ valence electron(s).

• two

• one

• three

• four

According to the periodic table, Tellurium is found in what column?

• 1 (1A)

• 2 (2A)

• 16 (6A)

• 18 (8A)

Lithium is a metal with one valence electron. Which of these elements has properties similar to sodium?

• magnesium

• potassium

• aluminum

• calcium

Why do noble gases like helium, neon, and argon exhibit minimal chemical reactivity?

• They are found in low concentrations in the atmosphere.

• They have full valence electron shells.

• They are all colorless and odorless gases.

• They have high atomic masses.

Which factor most influences an element's chemical reactivity?

• The number of valence electrons.

• The atomic mass of the element.

• The density of the element.

• The number of isotopes of the element.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The elements Phosphorus (P), Arsenic (As), and Antimony (Sb) are all in the same column on the periodic table. Which is the best explanation for this arrangement?

• They are all gases at room temperature.

• They were all discovered in ancient times.

• They have the same number of energy levels.

• They have the same number of valence electrons.

In chemical reactions, how does the valence configuration of Fluorine tend to change?

• It gains one electron.

• It gains two electrons.

• It loses one electron.

• It loses two electrons.

Tags

NGSS.MS-PS1-2

Which element has 3 electrons in the outermost energy level?

• cesium (Cs)

• magnesium (Mg)

• boron (B)

• argon (Ar)

The ions in calcium chloride dissociate in the presence of water. What is the anion that is produced in this reaction?

• hydrogen (H⁺)

• oxygen (O²⁻)

• calcium (Ca²⁺)

• chlorine (Cl⁻)