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Science 10 > chemistry 10 > Flashcards

chemistry 10 Flashcards

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1
Q

what is a valence electron?

A

The electrons in the outer shell

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2
Q

How do we draw the lewis dot structure?

A

The last shell of a bohr diagram

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3
Q

What is a covalent bond?

A

molecule formed when two or more diffrent atoms are connected with a covalent bond

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4
Q

What is a molecular bond?

A

chemical compound made up of 2 or more nonmetal atoms held together by compound bonds

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5
Q

What is an ionic compound?

A

Compounds made up of ions charged particles when an atom gains or loses electrons

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6
Q

how do we name ionic compounds?

A

cation first, anion last

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7
Q

What makes something an acid?

A

can give hydrogen to another substance

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8
Q

how are naming for binary and ternary acids different?

A

number of elements they contain

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9
Q

how do we name covalent compounds?

A

name first element then but ide at the end of the second element

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10
Q

example of ionic compound with a multivalent metal

A

iron (iii) nitride: FeN

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11
Q

example of molecular compound

A

H2O= water

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12
Q

what are the 5 types of chemical reactions

A

combination or synthesis
decomposition
combustion
single displacement
double displacement

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13
Q

example of combination reaction

A

hydrogen + nitrogen = ammonia

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14
Q

example of decomposition reaction

A

CO= C+O

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15
Q

example of combustion reaction

A

carbon + oxygen + carbon dioxide

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16
Q

Example of single displacement reaction

A

K + NaCl=KCl+ Na

17
Q

Example of double displacement reaction

A

AgNO3+NaCl=AgCl+NaNo3

18
Q

what makes something an acid

A

Acid produces hydrogen ions in solution

19
Q

What makes something a base

A

substance that produces Hydroxide ions in solution

20
Q

how is water related

A

water accepts hydrogen ions when mixed with acid. when water mixes with a base the base donated hydrogen atoms and acts like an acid

21
Q

how can you tell how acidic/basic something is

A

the Ph levels

22
Q

what is one you can make at home

A

boiling red cabbage

23
Q

what scale do we use to measure acidity

A

The PH scale

24
Q

what is neutral

A

Ph of 7

25
Q

what is acidic

A

ph up to 7

26
Q

what is basic

A

ph 7-14

Science 10 (2 decks)

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