How many valence electrons should you use to draw a lewis structure of methane (CH4) ?

2

4

6

8

Which of these is a physical property? A. Malleable B. Easy to digest C. Does not burn D. Becomes moldy quickly

When the combustion engine was invented it had many positive effects on society years later it has been discovered that the burning of oil and col has one major negative effect on the environment What is that negative effect?

Match the property with the correct type of metal.

The message that a neuron carries

The Lewis dot model of a molecule is shown. A molecule is shown with atoms arranged in the order HCCH. There are three horizontal lines connecting the two C atoms. The C atom on the left is connected to an H atom by a single horizontal line.

Which does not add to the reliability of a scientific source of information? displaying data in a colored chart clearly identifying the sources of the data explaining how the data was collected showing that many scientists had reviewed the

Given that pH + pOH = 14, what is the pH of a solution if its pOH is 12.4?

How long does it take to anser this quesiton fist one gets brialyest

Which of the following quantities is conserved in a chemical reaction

Describe soda on the effect of baking stomach contents with ph4