Chemistry, 22.10.2020 22:01 xbeatdroperzx
Aluminum (AI) has an atomic number of 13 and an atomic mass of 27. Which of the following correctly shows the electron
arrangement for aluminum?
2,8, 3
2,8,1
2,11
2,8,17
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 12:50
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
Answers: 1
Chemistry, 22.06.2019 13:00
In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
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Aluminum (AI) has an atomic number of 13 and an atomic mass of 27. Which of the following correctly...
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