Which of the following is NOT true about chemical properties?

A pure substance always has _____ density when measured under _____ conditions.

What is used to determine an unknown substance?

Intensive and extensive properties are examples underneath chemical change.

A technique that separates a mixture based on the individual substance’s tendency to travel across a surface.

Group the descriptions to the certain nature of matter.

It is possible to calculate the density of something that is not matter.

Which of the following is considered a pure substance?

“_____ are pure substances that cannot be broken down or transformed

into a new substance even by using some physical or chemical means.

___________, on the other hand, are also pure substances when two or more

elements are combined chemically in a fixed ratio.

A _________, on the other hand, is impure if it consists of different kinds of

elements combined together physically and not chemically.”

Which of the following methods is used to separate the colors in food dyes?

In filtration,  it is the solid particles which are retained in the filter paper.

Match the common household name of the compound to its actual name.

What are isotopes?

Binary Compounds are usually composed of ______.

An -ate or -ite at the end of a compound name usually indicates that the compound contains _________.

Name the following binary ionic compounds : NH4Cl

Name the following binary ionic compounds : CoCl2

Write the formula for the following compounds : Calcium Bromide

Write the formula for the following compounds : Copper (II) Chlorate

Match the given atomic mass to its corresponding element.

What will form when two or more atoms share one or more pairs of electrons?

What is a charged atom called?

The formula NaCl is an example of a/an _______ formula.

Which of the following is NOT a method of writing the structural formula?

Which of the following statements are true?

A compound is found to be 53% Aℓ and 47% O. Find its empirical formula. 

A compound is found to be 66% Cu and 34% S. Find its empirical formula.  

 A compound is found to be 65.45% C, 5.45% H, 29.10% O; with a molecular weight of 110g. Determine the molecular formula.

 Match the charge with its corresponding element. Try not to use the periodic table.

Determine the percent composition of all atoms in C6H12O6.

Which type of isotopes do not emit radiation and are used in environmental studies, nutrition assessment, and forensics?

What is the main application of Carbon-14 isotopes?

Which isotope is used to kill microorganisms in food and extend the shelf life of products?

What is the primary purpose of using Cobalt-60 isotopes?

Iodine-131 is commonly used for which medical purpose?

What is the primary application of Californium-252 isotopes?

Which type of isotopes can be used in agriculture, pest control, and archaeology?

Which isotopes are used to study life science and drug metabolism?

What do stable isotopes, such as those used for environmental studies, have in common?

Which isotope is commonly used in radiation therapy to treat cancer?

Which type of chemical reaction involves the combination of two or more substances to form a more complex compound?

In which type of chemical reaction does a single element replace another element in a compound?

What type of chemical reaction involves the rapid reaction of a substance with oxygen, typically accompanied by the release of energy in the form of heat and light?

BaCl2 + H2SO4 →

__________→ 6C02 + 6H2O

Zn + CuSO4 →

__________→ 2CsBr

FeCO3 →

_________→ 2NaOH + CaBr2

C5H9O + O2 →

What does the term "percent yield" represent in a chemical reaction?

Which type of chemical formula shows the actual number of atoms of elements present in one molecule of a compound?

In a covalent compound, how is the chemical bonding between atoms characterized?

What does the term "theoretical yield" represent in a chemical reaction?

Which type of chemical formula shows the least whole number ratio of the atoms present in a molecule?

56-58. Use the the chemical formula NH3+ O2→H2O + NO

How many moles of H2O can be made using 3 mol NH3?

56-58. Use the the chemical formula NH3+ O2→H2O + NO

What mass of NH3 is needed to make 4.5 mol NO?

56-58. Use the the chemical formula NH3+ O2→H2O + NO

How many grams of NO can be made from 83g of NH3?

59-60. Use the chemical formula N2 + 3H2 → 2NH3

5 grams of nitrogen is allowed to react with 3 grams of hydrogen. How many liters of ammonia (NH3) can be produced at STP?

59-60. Use the chemical formula N2 + 3H2 → 2NH3

How much of the excess reactant is left after the reaction?