What two characteristics of stars does the HR diagram use to describe stars?
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Answers: 3
Chemistry, 22.06.2019 06:00
Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
Answers: 2
Chemistry, 22.06.2019 16:30
Correct relationship between molecular formula and empirical formula
Answers: 1
Chemistry, 23.06.2019 14:30
The atomic number of an element is based on the number of electrons around its core mass of its nucleus number of protons in its nucleus number of neutrons in its nucleus
Answers: 2
English, 02.11.2020 16:30
Computers and Technology, 02.11.2020 16:30
English, 02.11.2020 16:30
English, 02.11.2020 16:30