Match items with their appropriate chemical description. -The total number of protons and neutrons in an atom's nucleus A)NH₄⁺ B)molecule C)electron D)proton E)neutron F)pH G)Ca H)P I)mass number J)NO^3- K)C₆H₁₂O₆

Question

Quizplus · Accepted Answer

Mass number is the total number of protons and neutrons in an atom's nucleus.

Answer: D 
 A proton is a subatomic particle that is found in the nucleus of an atom and has a positive charge.

Answer: E 
 A neutron is a subatomic particle that is found in the nucleus of an atom and has no charge.

Answer: G 
 Ca is the chemical symbol for calcium, a chemical element with atomic number 20.

Answer: H 
 P is the chemical symbol for phosphorus, a chemical element with atomic number 15.

Answer: F 
 pH is a measure of the acidity or basicity of a solution, with acidic solutions having a pH below 7 and basic solutions having a pH above 7.

Answer: J 
 NO is a chemical compound made up of nitrogen and oxygen, with a total of 14 protons and 13 neutrons in its nucleus.

Answer: B 
 A molecule refers to a group of two or more atoms that are chemically bonded together.

Answer: K 
 CBH112O16 is not a valid chemical formula, as it contains fractional subscripts.

Match Items with Their Appropriate Chemical Description