Author Question: For molecules of the general formula ABn, n can be greater than four ________. A) for any element ... (Read 164 times)

Marty · **on:** Aug 27, 2018

For molecules of the general formula ABn, n can be greater than four ________.

A) for any element A
B) only when A is an element from the third period or below the third period
C) only when A is boron or beryllium
D) only when A is carbon
E) only when A is Xe

Question 2

When the following equation is balanced, the coefficient of C3H8O3 is ________. C3H8O3 (g) + O2 (g) CO2 (g) + H2O (g)

A) 1
B) 2
C) 3
D) 7
E) 5

Question 3

Aluminum reacts with a certain nonmetallic element to form a compound with the general formula Al2X3. Element X must be from Group ________ of the Periodic Table of Elements.

A) 3A
B) 4A
C) 5A
D) 6A
E) 7A

ultraflyy23 · **Reply #1 on:** Aug 27, 2018

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