The empirical formula of an organic compound is C2H4O C
2
H
4
O
. Based on the empirical formula, oxygen is what percent of this compound?

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Classify this reaction: 2al+n2-> aln.

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.