Chemistry, 07.05.2021 14:00 isabellamoneill
If Ions x+2 and y 3- have the same number of electrons. How many protons if the atomic number of x is 12?
Answers: 2
Chemistry, 21.06.2019 16:30
Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.
Answers: 1
Chemistry, 21.06.2019 22:30
1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →
Answers: 3
Chemistry, 22.06.2019 03:00
Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?
Answers: 1
Chemistry, 22.06.2019 13:00
If two objects at different te,peraure are in contact with each other what happens to their temperature
Answers: 1
If Ions x+2 and y 3- have the same number of electrons. How many protons if the atomic number of x i...
Mathematics, 02.10.2019 18:00
Biology, 02.10.2019 18:00
Mathematics, 02.10.2019 18:10
English, 02.10.2019 18:10
World Languages, 02.10.2019 18:10
English, 02.10.2019 18:10
Mathematics, 02.10.2019 18:10
Computers and Technology, 02.10.2019 18:10