An atom has 10 protons in its nucleus. how many electrons does the atom have?

• 10

• 11

• 12

• 13

Tags

NGSS.HS-PS1-1

X atom has 12 protons. what is the electron arrangement of atom X?

• 2.8

• 2.8.8

• 2.8.2

• 2.10

Tags

NGSS.HS-PS1-1

Y atom has 13 protons in its nucleus. How many valence electrons does Y atom have?

• 13

• 3

• 10

• 8

Tags

NGSS.HS-PS1-1

D atom have 12 protons. Which group and period does element D belong to in periodic table?

• Group 12, Period 3

• Group 2, Period 3

• Group 12, Period 13

• Group 2, Period 13

Tags

NGSS.HS-PS1-1

C atom has 17 protons. Which group and period does element C belong to in the periodic table?

• Group 7, Period 3

• Group 7, Period 13

• Group 17, Period 3

• Group 17, Period 13

Tags

NGSS.HS-PS1-1

E²⁺ has an electron arrangement of 2.8. how many proton does E²⁺ have?

• 10

• 8

• 12

• 2

F^3- has an electron arrangement of 2.8.8. How many protons does F^3- have?

• 15

• 18

• 8

• 10

Tags

NGSS.MS-PS1-1

the electron arrangement of G²⁺ is 2.8.8. Select the correct group and period of element G

• Group 18

• Group 2

• Period 3

• Period 4

Tags

NGSS.HS-PS1-1

the electron arrangement of J^2- is 2.8. Select the correct group and period of element J

• Group 18

• Group 16

• Period 2

• Period 3

Tags

NGSS.HS-PS1-1

what is the electron arrangement of atom N?

• 2.

• 2.8

• 2.5

• 2.8.8

Tags

NGSS.HS-PS1-1