V = 60.0 g/ 0.70 g/mL = 85.7 mL Hope this helps! ;D
Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed most likely due to a shockwave form a nearby exploding start called a supernova
Three classes: 28×3=84 students
8 test tubes per student: 84× 8= 672
hope this helps!
Answer:
Elements in which the d-sublevel is being filled have the properties of metals
Answer: 69.152% → 63^Cu
30.848% → 65^Cu
Explanation:
As you know, the average atomic mass of an element is determined by taking the weighted average of the atomic masses of its naturally occurring isotopes.
Simply put, an element's naturally occurring isotopes will contribute to the average atomic mass of the element proportionally to their abundance.
Explanation:
