Chemistry, 02.12.2020 20:20, Bluefurry06
A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have?
13
5
9
4
Answers: 2
Chemistry, 21.06.2019 23:00, jamccoy3335
Will mark brainliest26. which of these statements are true? (3 points)a. gases are compressibleb. gases fill their containers completelyc. the pressure of a gas is independent of the temperatured. gases have masse. gases exert pressuref. the pressure of a gas is dependent on the volumeg. gas pressure results from the collisions between gas particlesh. gases have a definite volume and shape
Answers: 1
Chemistry, 22.06.2019 06:00, kylieweeks052704
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 06:00, coopera1744
Find the mass in grams of 1.37x1020 particles of h3po4
Answers: 2
A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons doe...
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