Predict the formula and name of a binary compound formed from the following elements: (a) Na and H, (b) B and O, (c) Na and S, (
1 answer:
Answer and Explanation:
(a) Na and H : The compound formed by Na and H is sodium hydride which formula is NaH
(b) B and O : The compound formed by Ba and O is barium oxide which formula is BaO
(C) Na and S : The compound formed by Na and S is sodium sulfide which formula is
(D) Al and F : The compound formed by Al and F is aluminium fluoride which formula is
(E) F and O : The compound formed by F and O is oxygen fluoride which formula is
(F) Sr and Cl : The compound formed by Sr and Cl is strontium chloride which formula is
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Answer:
The answer is
Explanation:
The energy of a quantum of light can be found by using the formula
<h3>E = hf</h3>where
E is the energy
f is the frequency
h is the Planck's constant which is
6.626 × 10-³⁴ Js
From the question
f = 4.31 × 10¹⁴ Hz
We have
E = 4.31 × 10¹⁴ × 6.626 × 10-³⁴
We have the final answer as
Hope this helps you