Chemistry, 06.04.2021 18:00 lexizamora2
Which two elements on the periodic table share the same period and are both gases?
A. Hydrogen and Helium
B. Fluorine and Bromine
C. Lithium and Potassium
D. Xenon and Argon
Answers: 1
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Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from
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An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
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Chemistry, 22.06.2019 12:00
1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c
Answers: 2
Which two elements on the periodic table share the same period and are both gases?
A. Hydrogen and...
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