It’s B because of the quest
Answer:
Explanation:
There are 35 protons.
The number of electrons = 36 electrons gives a -1 charge.
Where did all the other minus charges go?
They must be balanced by 35 protons.
The number of protons and the number of neutrons determine an element's mass number: mass number
The Earth is tilted, so it will be lit by different parts of the Sun as it orbits.
Answer:
D.) A symbol of magnesium Mg has two dots representing two free electrons.
Explanation:
Magnesium is located in the second group (column) of the periodic table. Elements located here have 2 valence electrons in their outermost shell. Thus, the electron dot diagram of magnesium has 2 dots symbolizing the 2 valence electrons.