Chemistry for Sophomores

Froggy Jumps

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Mid-level chemistry review

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William Light

United States

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Chemistry for Sophomores


Froggy Jumps Chemistry for SophomoresVersion en ligne Mid-level chemistry review par William Light 1 What subatomic particle has a negative charge? a Neutron b Electron c Proton 2 The atomic number represents number of what? a Electrons b Protons c Neutrons 3 Which bond involves sharing electron pairs? a Metallic bond b Covalent bond c Ionic bond 4 pH below 7 indicates what? a Base b Acid c Neutral 5 Which equation relates pressure, volume, temperature, and moles of gas? a PV = nRT b P=V/T c PV=RT 6 Which process changes a solid directly to a gas? a Sublimation b Condensation c Melting 7 Which element is a noble gas? a Oxygen b Argon c Nitrogen 8 What is Avogadro's number? a 6.02 x 10^20 b 6.02 x 10^25 c 6.022 x 10^23 9 How many moles are in 12 g of carbon-12? a 6 moles b 12 moles c 1 mole 10 Which type of reaction releases energy? a Endothermic b Neutral c Exothermic 11 What is the smallest unit of an element that retains its properties? a Atom b Ion c Molecule 12 Which state of matter has a definite shape and volume? a Solid b Liquid c Gas 13 What do you call a pure substance made of two or more elements chemically combined? a Compound b Element c Mixture 14 Which number on the pH scale indicates a basic substance? a Exactly 7 b Below 7 c Above 7 15 What tool is used to measure mass? a Graduated cylinder b Triple beam balance c Thermometer 16 Which particle carries a positive charge? a Neutron b Electron c Proton 17 What is the chemical formula for water? a H2O b H2O2 c HO2 18 What happens to a substance when it changes from solid to liquid? a Melting b Condensation c Vaporization 19 Which substance is an example of a chemical change? a Rust forming on iron b Dissolving sugar in water c Boiling water 20 What do we call a mixture where the substance is evenly spread out? a Suspension b Heterogeneous mixture c Solution

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Chemistry for Sophomores

Froggy Jumps

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Chemistry for SophomoresVersion en ligne

par William Light

What subatomic particle has a negative charge?

The atomic number represents number of what?

Which bond involves sharing electron pairs?

pH below 7 indicates what?

Which equation relates pressure, volume, temperature, and moles of gas?

Which process changes a solid directly to a gas?

Which element is a noble gas?

What is Avogadro's number?

How many moles are in 12 g of carbon-12?

Which type of reaction releases energy?

What is the smallest unit of an element that retains its properties?

Which state of matter has a definite shape and volume?

What do you call a pure substance made of two or more elements chemically combined?

Which number on the pH scale indicates a basic substance?

What tool is used to measure mass?

Which particle carries a positive charge?

What is the chemical formula for water?

What happens to a substance when it changes from solid to liquid?

Which substance is an example of a chemical change?

What do we call a mixture where the substance is evenly spread out?