Question

❝ ɴᴀᴍᴇ :

➠ three elements that have a single electron in their outermost shells.

➠ two elements that have two electrons in their outermost shells.

➠ three elements with filled outermost shells.

​

Answer 1

Explanation:

1. Lithium, sodium and potassium have a single electron in their outermost shells.

2. Magnesium and Calcium have two electrons in their outermost shells.

3. Helium, neon and Argon.

hope this helps you

Answer 2

Answer:

a) hydrogen, lithium, sodium

1. 2,1. 2,8,1

b) helium , beryllium, magnesium

c) argon and neon

Explanation:

hope you liked it

purple heart

mark my answer as brianlist