Which properties describe elements that are nonmetal gases? Select all that apply.
A) composed of an extended structure
B) composed of individual atoms or diatomic molecules
C) high melting point
D) low melting point
E) strong attractions between particles
DF)
weak attractions between particles
Answers: 1
Chemistry, 22.06.2019 03:00, Dkhaurithompson
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
Chemistry, 23.06.2019 02:20, theactualslash
In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me
Answers: 2
Chemistry, 23.06.2019 03:30, nikkio4
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus. b) the number of neutrons it contains in its nucleus. c) the number of protons it has in a cloud around the nucleus. d) the number of neutrons it has in a cloud around the nucleus. e) the number of electrons it exchanges with its neighbors.
Answers: 1
Which properties describe elements that are nonmetal gases? Select all that apply.
A) composed of a...
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