subject
Chemistry, 10.12.2020 21:10 dean91

Which statement best describes the Modern Atomic Theory? -Atoms are composed of protons located around a negative nucleus.
-Atoms are composed of electrons in energy levels around a positive nucleus.
-Atoms are composed of a nucleus made up of protons, neutrons, and electrons.
-An atom's mass is determined only by the mass of its neutrons.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 08:30
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
question
Chemistry, 22.06.2019 11:50
Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?
Answers: 3
question
Chemistry, 23.06.2019 01:30
Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
question
Chemistry, 23.06.2019 01:30
What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases
Answers: 1
You know the right answer?
Which statement best describes the Modern Atomic Theory? -Atoms are composed of protons located aro...
Questions
question
Physics, 25.07.2019 21:00
Questions on the website: 13722363