Science STAAR Civil War: Category 1 Chemistry

A sample of metal has a mass of 26.4g & volume 3.0 cm³. What is it's density?

Organic compounds always...

 Clear liquids are combined & white powder settles to bottom of test tube. Which indicator(s)?

Teeth break down and grind food particles into smaller pieces... What type of change?

Which of the following is a property of Non-metals?

Knowing the compound is organic, the element labeled "Unknown" must be...

Who is credited with creating the first periodic table?

The chart lists some substances & their symbols. How many are examples of elements?

Based on info provided, Substance X could possibly be which of the following?

An atom has 12 protons & a +2 charge... How many electrons does it have?

Protons= 9, Neutrons= 10, Electrons= 9... What charge will the atom have?

Which sample is mostly likely classified as a metal?

Which element can most likely be hammered into thin sheets?

Which element contains 22 protons?

Gastric juices in the stomach convert proteins into amino acids... What type of change?

Which of the following is a compound made up of exactly two elements?

Compounds are different than elements because compounds are...

A chemical formula is provided. How many atoms of nitrogen are found in this substance? 

An element is a gas @ room temp & fails to react with other elements. Where will it be located?

A sample substance has a volume of 26 cm³ & mass of 205.4 g. Which metal is it?

The REACTIVITY of an element is most greatly innfluenced by which of the following?

A piece of wood with a density between 0.6 g/cm³ & 0.8 g/cm³ is needed. Which wood is used?

Which of the following would indicate a new substance has been formed?

H₂ + Cl₂ -> 2HCl

Na + Cl -> NaCl₂

Location= nucleus   Mass= 1 amu    Charge= neutral

Using the table, which conclusion is supported by the information provided?

Which of the compounds illustrated here is an organic compound?

Which of the following accurately describes  4MgCl₂ ?

A portion of PT is shown. Which element would have a reactivity similar to Phosphorous?