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Fundamental Ideas

Jawad Karim 10 preguntas 4,0 (1 valoración)

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Preguntas del test (10)

1Whats an element?
1. AA substance made of one atom type.
2. BA substance made of several atoms
3. CA substance that keeps reactions happening in the body
2Neutrons have a charge of +1
1. AVerdadero
2. BFalso
3Why is argon unreactive?
1. AIt is in Group 8
2. BIt has a full outer shell of electrons
3. CIt has the lowest number of outermost shell electrons out of any element in the entire periodic table.
4Dmitri Mendeleev created the better version of the Periodic Table
1. AVerdadero
2. BFalso
5Vertical columns in the P. Table are called groups. Rows in the P.Table are called Periods
1. AVerdadero
2. BFalso
6Pb is the symbol for neon.
1. AVerdadero
2. BFalso
7When drawing atoms, the __________ shell must always be filled first before moving on to the next one.
1. Alowest
2. Bhighest
3. Cbiggest
4. Dsmallest
5. Efurthest from the nucleus
8An atom always wants a full outermost shell
1. AVerdadero
2. BFalso
9Balance this equation:
H2SO4 + NaOH ---->Na2SO4 + H2O
1. AH2SO4 + 2 NaOH ---> NaSO4 +2H2O
2. B2H2SO4 +3 NaOH ---->Na SO4 + 4 H2O
10Why do equations need to be balanced?
1. ABecause atoms can't be created or destroyed in a reaction
2. B Because #YOLO
3. CBecause they're easier to understand that way and so scientists made that rule compulsory.

Descripción: Test sobre Fundamental Ideas , creado por Jawad Karim el 19/05/2014.
Autor: Jawad Karim
Idioma: English
Visitas: 73
Etiquetas: chemistry c1 atoms elements
Valoración: 4,0 de 5 · 1 valoración
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