Assessment Directions: Choose the letter of the best answer and write it in your intermediate paper 1. What element is the most abundant in the universe? a. bromine c. hydrogen b. helium d. oxygen 2. What element has a period 5 and in the group of 10?
Answers & Comments
THE ELEMENTS
Directions: Choose the letter of the best answer and write it in your intermediate paper.
Answer:
1. What element is the most abundant in the universe?
The hydrogen is the most abundant elements in the universe. And helium is the second one.
2. What element has a period 5 and in the group of 10?
Palladium is the element in period 5 and in the group of 10.