teacher1

A piece of copper wire and a 50lb block of copper have the same density. Explain how can this be true.

Give 2 examples of things that are not matter and explain why they are not classifed as matter

Identify the 3 things that can be classified as Matter and 3 things that cannot. Explain your reasoning for each classification.

Describe a process for determining the volume of a small, irregularly shaped object.

How many elements are in glucose sugar, C6H12O6? How did you recognize them? a. How many total atoms are there in this equation?

What would be the equation for Drano which is made by combining Sodium Hydroxide NaOH and Water H2O?

How many atoms are in Zinc Chloride, ZnCl2?

What properties did Mendeleyev use to sort the elements in his table?

Name 2 elements that would have properties similar to Beryllium with atomic weight higher than 130.

List 3 other elements similar to properties of Flourine. a. Why did you choose these? b. How did you determine their properties were similar?

What do all the elements in Group 8 have in common?

what is so special about the elements in Group 8 on the Periodic table?

Ok but if it were, what would be hypothetical equation using NaOH and H2O?

I do need serious help. I am an ESL teacher and have to teach and reach all subjects for my students. And I do my best to help them with the poor notes that they bring me to class from their class. I havent had these subjects in decades. I do appereciate...

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Thank you. We so so and that's the same answers we got.

thank u