Answer:
4.52×10^24
Explanation:
N = n × Na
where; N = no. of bananas
n = no. of moles
Na = Avogadro's constant
Which is 6.02×10^23
N = 7.5 × 6.02×10^23
N =4.515×10^24
Answer:
helium , krypton,xenon,radon, argon are noble gasses
Answer: primary colors are those you can't get by mix in other colors. They are red, blue, and yellow. secondary colors come from mixing two primary colors.
Answer:
C. Neither
Explanation:
According to the periodic table, Hydrogen is in group 1 and period 1. Beryllium is in group 2, period 2.
Suspension. The particles are big enough for the eye to see, and will separate if left sitting.
