Give three example of tradeoff that you face in your life?

Element A has two isotopes. The first isotope is present 13.00% of the time and has a mass of 240.39. The second isotope has a mass of 189.67. Calculate the atomic mass of element A.

⭕ 5,590.8

⭕ 233.8

⭕ 16,532.54

⭕ 196.3

⭕ The atomic mass cannot be calculated without more information.

What is the shape of ?

⭕ trigonal pyramidal

⭕ tetrahedral

⭕ trigonal planar

⭕ bent

⭕ linear

What is the angle of ?

Joshira makes and sell crafts. If she can create 1 item in 3/4 of an hour, how many can she create in 8 hours?

A.

6 items

B.

10 2/3 items

C.

9 2/3 items