ibnsaleemm658 ibnsaleemm658

Today at 7:44 PM
Chemistry

Answered

PLEASE ASAP
A calcium atom has 20 protons, 18 electrons, and 20 neutrons. What is the charge on the atom?

Answer :

william77mallette william77mallette

Today at 7:49 PM

Answer:

Ca2+ represents an ion with 20 protons and 18 electrons.

Explanation:

A calcium atom has 20 protons and 20 electrons. The 2+ charge next to the symbol indicates a loss of two electrons: 20-2=18.

Answer Link

Other Questions

what are the following inequalities is equivalent to 3-(w+2)>4+2w 1-w>4+2w 1-w>6w 5-w>6w 5-w>4+2w

what are the following inequalities is equivalent to 3-(w+2)>4+2w 1-w>4+2w 1-w>6w 5-w>6w 5-w>4+2w

Find the value of x. Write your answer in simplest form.

Jack paid $7 for each adult ticket and $4 for each child ticket. Jack spent a total of $40 for the tickets. How many adult tickets did he buy? How many child ti

what are the following inequalities is equivalent to 3-(w+2)>4+2w 1-w>4+2w 1-w>6w 5-w>6w 5-w>4+2w

Calculate the value of $1 \frac{1}{9} \times \frac{2}{5}$.

state Euclid's division algorithm

om shakthi temple melmaruvathur

Select the correct answer.Simplify the following radical exp

Q) Read the following excerpt taken from an article that appeared in the magazine section of a local daily. "A recent study found that given the pressure of stu

(PLEASE ANSWER FAST) Some friends are eating crackers. The number of crackers, y, that each person gets is inversely proportional to the number of people, x, wh

Winning their independence and creating multi-party political systems solved Africa's economic and government problems. 1.True 2.False

14. Molly puts two shapes together to make a new shape. The new shape has 6 sides and 6 vertices. Which two shapes did she use? ΔΔ OA in

Do you think racial harmony has increased since Malcolm X's time? Explain your answer.

How do you use tables to describe a linear relationship?

indica cuáles de los siguientes textos son razonamientos

Please help please don't just use my points

fake answers will be reported

"Because we were running late, I forgot my extra clothes." Which type of sentence is shown? (1 point) O simple sentence o compound sentence O complex sentence c

What inequality represents the verbal expression? all real numbers less than 69 C. x > 69 D. x < 69