Chemical Bonding & Structures

Front

An element X reacts with chlorine to form a solid of formula XCl. What could be the electronic structure of X? Options: 1s² 2s² 2p⁴, 1s² 2s² 2p⁶ 3s¹, 1s² 2s² 2p⁶ 3s², 1s² 2s² 2p⁶ 3s² 3p⁵

Back

1s² 2s² 2p⁶ 3s¹

Front

Which solid does not contain covalent bonds? Options: Ice, Diamond, Silver, Sulfur

Back

Silver

Front

Which is a compound that has giant molecular structure? Options: carbon dioxide, sulfur dioxide, graphite, silicon dioxide

Back

silicon dioxide

Front

The diagram below shows the arrangement of ions in a compound. Which is the simplest formula of this compound? Options: M₂X, MX, MX₂, MX₆

Back

MX

Front

Valence electrons of P and Q in covalent molecule PQ₂?

Back

P(6), Q(7)

Front

The bonding in sulfuric acid can be represented by the structural formula. What is the total number of electrons in the covalent bonds surrounding the sulfur atom? Options: 4, 6, 8, 12

Back

12

Front

Which element is not able to form compounds by either sharing or transferring electrons? Options: oxygen, fluorine, hydrogen, magnesium

Back

magnesium

Front

If element Y is a noble gas, what will be the formula of the compound formed by X and Z? Options: ZX, ZX₇, Z₇X, Z₂X

Back

ZX

Front

Possible electronic configurations of elements X and Y in a molecule structure.

Back

X: 1s²2s²2p³, Y: 1s²2s²2p⁶3s²3p⁵

Front

Which statement gives the most accurate description of metallic bonding?

Back

Positive ions in a “sea” of free-moving electrons.