Bonding Test Flashcards
The chemical bond formed when two atoms share electrons is called a(n)
Covalent Bonds
Which pair of atoms will combine with each other and form an ionic bond
Nonmetals and Metals
Atoms become positive ions by
Losing electrons
Anions are formed by
Gaining electrons
How many electrons are shared between the hydrogen atoms in a molecule of H2 gas.
2
Which atoms are most likely to form covalent bonds
nonmetal atoms that share electrons
electrons involved in the formation of chemical bonds are called
Valence electrons
How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable
8
Substances composed of ionic bonds are usually
Solids
How many electrons are being shared in a triple bond
6
The properties of a compound are
Different from the properties of the elements that form it
A group of covalently bonded atoms that acts together as one charged atom is a
Polyatomic ions
Which of the following is the reason why atoms of sodium and chlorine attract each other in a salt crystal
Sodium has a positive charge and chlorine has a negative charge
Which of the following is the correct name for a compound between Magnesium and Sulfur
Magnesium Sulfide
Which of the following is the correct name for the compound between Phosphorus and Chlorine
Phosphorus Trichloride
Which statement provides the best description of a covalent bond
The attraction between atoms when they share electrons
Which of the following is a similarity between ionic and covalent bonds
Both make the elements more stable
Why do elements form compounds
To be stable
Why do noble gases rarely form compounds
They are usually stable
Cations are
positively charged
Anions are
negatively charged
The charge of an ion is a(n)
Oxidation Number
Mono
1
Di
2
Tri
3
Tetra
4
Penta
5
Hexa
6
Hepta
7
Octa
8
Nona
9
Deca
10