900191
Beschreibung
Quiz von Jawad Karim, aktualisiert more than 1 year ago
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Erstellt von Jawad Karim
vor etwa 10 Jahre
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Frage 1
Frage
Whats an element?
Antworten
-
A substance made of one atom type.
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A substance made of several atoms
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A substance that keeps reactions happening in the body
Frage 2
Frage
Neutrons have a charge of +1
Antworten
- True
- False
Frage 3
Frage
Why is argon unreactive?
Antworten
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It is in Group 8
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It has a full outer shell of electrons
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It has the lowest number of outermost shell electrons out of any element in the entire periodic table.
Frage 4
Frage
Dmitri Mendeleev created the better version of the Periodic Table
Antworten
- True
- False
Frage 5
Frage
Vertical columns in the P. Table are called groups. Rows in the P.Table are called Periods
Antworten
- True
- False
Frage 6
Frage
Pb is the symbol for neon.
Antworten
- True
- False
Frage 7
Frage
When drawing atoms, the __________ shell must always be filled first before moving on to the next one.
Antworten
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lowest
-
highest
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biggest
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smallest
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furthest from the nucleus
Frage 8
Frage
An atom always wants a full outermost shell
Antworten
- True
- False
Frage 9
Frage
Balance this equation:
H2SO4 + NaOH ---->Na2SO4 + H2O
Antworten
-
H2SO4 + 2 NaOH ---> NaSO4 +2H2O
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2H2SO4 +3 NaOH ---->Na SO4 + 4 H2O
Frage 10
Frage
Why do equations need to be balanced?
Antworten
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Because atoms can't be created or destroyed in a reaction
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Because #YOLO
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Because they're easier to understand that way and so scientists made that rule compulsory.
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