Chemistry, 07.07.2021 19:40 cesarcastellan9
A sodium atom has 11 protons and 12 neutrons. What is the mass number of this sodium atom?
Answers: 2
Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
Answers: 2
Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
Answers: 2
Chemistry, 23.06.2019 03:00
Determine type of reaction & predict the product c3h12+o2 =
Answers: 1
Chemistry, 23.06.2019 03:30
Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.
Answers: 3
A sodium atom has 11 protons and 12 neutrons. What is the mass number of this sodium atom?...
Mathematics, 26.04.2021 21:20
Mathematics, 26.04.2021 21:20
Mathematics, 26.04.2021 21:20
Arts, 26.04.2021 21:20
English, 26.04.2021 21:20
Physics, 26.04.2021 21:20
Mathematics, 26.04.2021 21:20
Chemistry, 26.04.2021 21:20