Chemistry, 01.08.2019 16:20 newtonthenewt
A7.50-g sample of iron is heated in oxygen to form an iron oxide. if 10.71 g of the oxide is formed, what is its empirical formula
Answers: 1
Chemistry, 22.06.2019 06:40
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
Answers: 3
Chemistry, 22.06.2019 09:10
Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons
Answers: 3
Chemistry, 22.06.2019 12:00
Which of the following units is not an official si unit? mole liter kilogram ampere
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Chemistry, 22.06.2019 14:00
Will mark brainliest how many electrons can be held in the energy level n = 4?
Answers: 1
A7.50-g sample of iron is heated in oxygen to form an iron oxide. if 10.71 g of the oxide is formed,...
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