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Matter 2 Review: Elements, Compounds, Periodic Table Flashcards | StudBud

Explore/Matter 2 Review: Elements, Compounds, Periodic Table

Matter 2 Review: Elements, Compounds, Periodic Table

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#6thgrade #matter #elements #compounds #hopper

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Questions 11

Answers

1
What is true about elements?
They cannot be broken down into a simpler substance.
They are made from only one type of atom.
They are found on the periodic table.
All of these are true.
2
How many elements are in NaCOH₃?
6
5
3
4
3
Name two examples of a mixtures.
chex mix and salt water
salad and air
air and salt water
sand and rocks
4
Which characteristics describe elements?
two or more elements chemically combined
Cannot be broken down into other substances
pure substances represented by chemical symbols
carbon dioxide, salt and water are examples
5
Which of the following is considered an element?
HCl
N2
NaCl
CO2
6
Which of the following lists all of the elements present in chloroform? CHCl₃
Carbon, Hydrogen, and Chlorine
Chloro and Form
Carbon, Hydrogen, and Calcium
Carbon, Helium, and Chlorine
7
What is true of chemical formulas?
There are always 2 letters.
If there are two letters, they are both capitalized.
Only the first letter is capitalized.
The words all come from the English language.
8
How many different elements make up the compound FeCO₃?
3
2
4
1
9
What consists of two or more substances that have not combined chemically & can be separated?
a compound
a mixture
a molecule
an element
10
What is true of elements and Compounds?
Elements are pure, but compounds are not.
Compounds and Elements are both found on the Periodic Table.
Elements and Compounds can both be pure.
Compounds are the only ones that are found in mixtures.
11
What elements make up salt? NaCl
Sodium and Chlorine
Iron and Chlorine
Nacium and Chlorine
Nacium and Cobalt