Multiple Choice
How many protons and electrons are there in the calcium ion?
A) 20 protons, 20 electrons
B) 20 protons, 22 electrons
C) 20 protons, 18 electrons
D) 20 protons, 19 electrons
Correct Answer:
Verified
Correct Answer:
Verified
Q45: The reaction of calcium and sulfur produces:<br>A)Ca<sub>2</sub>S<br>B)CaS<sub>2</sub><br>C)CaS<br>D)Ca<sub>2</sub>S<sub>3</sub>
Q46: Hydrogen sulfide (H<sub>2</sub>S)is a covalent compound.
Q47: Which quantity contains the fewest moles?<br>A)10 g
Q48: Ammonium nitrate is an ionic compound.
Q49: Which of these molecules has trigonal pyramidal
Q51: Metals tend to _ electrons and form
Q52: Complete the following table.<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB10113/.jpg" alt="Complete
Q53: Which of the following anions has the
Q54: A bond where the electrons are shared
Q55: Which of the following molecules is nonpolar?<br>A)NH<sub>3</sub><br>B)CH<sub>3</sub>Cl<br>C)CCl<sub>4</sub><br>D)H<sub>2</sub>O