Question

mass number = big number
atomic number = smaller number
protons = small #
electrons = small #
neutrons= big # - small #
1st shell can hold a maximum of 2 electrons
2nd shell can hold a maximum of 8 electrons
3rd shell can hold 8 electrons
4th shell can hold 8 electrons
hydrogen ,h

1. atomic # = 1
2. mass # = 1
3. protons =
4. neutrons =
5. electron =
6. e.c=
7. what is the valence (the last number in the e.c) electron?
8. what group is h in the periodic table? group (hint: the last # in the e.c tells the group #)
9. what period is h in the periodic table? period (hint: the amount of # in the e.c tells the period #)
10. which diagram below represents the bohr diagram for h?

Explanation:

Step1: Find protons (atomic #)

Protons = Atomic # = 1

Step2: Calculate neutrons

Neutrons = Mass # - Atomic # = $1 - 1 = 0$

Step3: Find electrons (atomic #)

Electrons = Atomic # = 1

Step4: Write electron configuration

1 electron fills 1st shell: $1$

Step5: Identify valence electron

Valence electron = last number in E.C. = 1

Step6: Find group number

Group # = valence electron count = 1

Step7: Find period number

Period # = number of shells used = 1

Step8: Describe Bohr diagram for H

Bohr diagram has 1 proton in nucleus, 1 electron in 1st (only) shell.

Answer:

1. Protons = 1
2. Neutrons = 0
3. Electron = 1
4. E.C= 1
5. What is the valence (the last number in the e.c) electron? 1
6. What group is H in the periodic table? Group 1
7. What PERIOD is H in the periodic table? period 1
8. Which diagram BELOW represents the Bohr diagram for H? A diagram with a central nucleus labeled "1 p⁺" (or just 1 proton) and one single electron orbiting in a single, outermost (and only) electron shell.