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?
Get 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 there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Looking at the same nonmetal group on the periodic table, how does the reactivity of an element in period 2 compare to the reactivity of an element in period 4?
Answers (1)
The particles that are found in the mucleus of an atom are 1. neutrons 2. electrons only 3. protons and neutrons 4. protons and electrons
Answers (2)
The last column of the periodic table contains the noble gases elements that do not easily form chemical bonds. Why don't these gases tend to form chemical bonds?
Answers (1)
Explain how electrically neutral objects can become electrically charged even though charge cannot be created or destroyed.
Answers (1)
Which of the following best explains why arginine is more basic than lysine? A. The electron-donating groups around the basic nitrogen on arginine make its conjugate base less stable. B.
Answers (1)
New Questions in Chemistry
How does a mixture of benzoic acid and benzaldehyde can be isolated separately by extractions?
Answers (1)
What is a compound? a) a combination of two or more substances that are not chemically combined b) a combination of two or more elements that are combined in a certain ratio
Answers (2)
A gas has a volume of 75mL at a pressure of 200.0 kPa. What will be the new volume be in mL if the pressure is decreased to 60.0 kPa in sig figs
Answers (2)
Give two reasons why it's important to work with a partner in a lab
Answers (2)
Suppose you have 3.00*1018 reams of lead (pb). how many lead atoms do you have? express the number of atoms numerically.
Answers (1)