Chemistry, 28.01.2021 22:00 tiffanydowell13
What did J. J. Thomson's cathode ray experiment show about atoms?
A. Atoms are negatively charged.
B. Electrons move around the nucleus.
C. Atoms contain negatively charged particles.
D. Most of an atom's mass is concentrated in a small space.
Answers: 3
Chemistry, 22.06.2019 01:30
100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Chemistry, 22.06.2019 04:20
Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 Γ molar mass of n + molar mass of h molar mass of n + 3 Γ molar mass of h 3 Γ molar mass of n + 3 Γ molar mass of h
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Chemistry, 22.06.2019 10:30
If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5
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Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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What did J. J. Thomson's cathode ray experiment show about atoms?
A. Atoms are negatively charged.<...
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