1. Which of the following are considered pure substances
heterogeneous mixtures
homogenous mixtures
elements only
elements and compounds
2. Ionic compounds are often formed when a metal atom bonds with a nonmetal atom. Which of the following is an ionic compound and why?
h2O, because both atoms are nonmetals
NH3, because both atoms are nonmetals
NaCI, because sodium is a metal and chlorine is a nonmetal
Na, because sodium is a metal
3. Covalent compounds are formed when two different nonmetals are chemically combined. Which of the following is a covalent compound and why?
h2O, because H and O are two different nonmetals
H, because it is a nonmetal
NaCI, because sodium is a metal and chlorine is a nonmetal
O, because it is a nonmetal
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “1. Which of the following are considered pure substances heterogeneous mixtures homogenous mixtures elements only elements and compounds 2. ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
Which part or parts of the paragraph indicate the relationship between public support and the enforcement of environmental policies? A new manufacturing company was the brainchild of five engineers.
Answers (2)
Calculate the molarity of a solution made with 15.7 g of NaCl in 100 ML solution
Answers (1)
How does a wavelength determine the speed of a wave?
Answers (1)
Blank is mantaining stable conditions inside the body
Answers (1)
Do you think that animal communities also undergo succession? Why or why not?
Answers (1)
New Questions in Chemistry
Which of the following statements is true about both nuclear fusion and nuclear fission? They occur in the sun. Heavy atoms are split. Two light nuclei combine. Some mass changes into energy.
Answers (1)
What does the name iron (II) in a compound indicate about the cation? A an 11 + charge B a 2 - charge C a 2 + charge
Answers (2)
Examples of balanced decomposition reactions
Answers (1)
A birthday balloon had a volume of 14.1 L when the gas inside was at a temperature of 13.9 °C. Assuming no gas escapes, what is its volume when the balloon warms up to 22.0 °C?
Answers (1)
Which of the following is not an indication of a chemical change?
Answers (1)