Electron energy levels; first shell

5 electron

3 electrons

2 electron

1 electron

Why alkali metals are found in many common substances but are rarely found in pure form?

Which of the elements has the highest first ionization energy C Si Ge Sn Pb

Which animal would be best adapted to live in the desert? Question 2 options: a rabbit with fur that is brown in summer and white in winter a rodent that sleeps underground during the day a white fox with long fur and a thick body a bird with dark

How many different types of resonance structures can be drawn for the ion so32 - where all atoms satisfy the octet rule? how many different types of resonance structures can be drawn for the ion so32 - where all atoms satisfy the octet rule?

What happens to the electrons of an ionic bond

How far is the Earth for the moon?

It is thought that organelles of eukaryotic organisms, such as mitochondria and chloroplasts (in plant cells) came from

How does temperature affect molecules

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?