An element with 2 Valence electrons is called a (n)
alkaline metal
earth alkaline metal
...
Chemistry, 27.03.2021 01:30 debrielcalderon
An element with 2 Valence electrons is called a (n)
alkaline metal
earth alkaline metal
metalloid
halogen
noble gas
Answers: 1
Chemistry, 22.06.2019 04:30
In which phase(s) do the molecules take the shape of the container?
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Chemistry, 23.06.2019 06:40
The combustion of methane, ch4, releases 890.4kj/mol. that is, when one mole of methane is burned,890.4 kj are given off to the surroundings. this meansthat the products have 890.4 kj less than the reactants.thus, ah for the reaction = - 890.4 kj. a negative symbolforah indicates an exothermic reaction.ch (g) + 20 (g)> co2 (g) + 2 h0 (1); ah = - 890.4 kga) how much energy is given off when 2.00 mol of ch,are burned? b) how much energy is released when 22.4g of ch. areburned?
Answers: 1
Chemistry, 23.06.2019 07:00
Which of the following statements is true? an atom consists of protons, electrons, and neutrons.an atom consists of protons and neutrons.an atom consists of electrons bonded to one another.an atom consists of protons bonded to one another.
Answers: 1
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