Answer:
The proton and electrons are equal,
15protons and 15electrons
Explanation:
An atom is the smallest electrical neutral particle of an element so it means that every atom have same number of protons and electrons.
Answer:
What statements?
Explanation:
they both release harmful chemicals and can pollute the earth and destroy our ecosystems.
The speed that they travel
I have attached a photo of the structure.
You can get better at solving problems like this by practicing a lot!
Answer:
The atoms in the first period have electrons in 1 energy level. The atoms in the second period have electrons in 2 energy levels. The atoms in the third period have electrons in 3 energy levels. The atoms in the fourth period have electrons in 4 energy levels.