(Probability of getting 5 out of 10 question correct ) = 5/10
= 1/2
Answer:
Both reactivity and electronegativity decrease down a group.
I'm assuming this is multiple choice...
Explanation:
Answer:
the wavelength would be around 4.34 ✖️ 10⁻⁷m
Explanation:
the wavelength would be around 4.34 ✖️ 10⁻⁷m
Heat is the use of energy
