chem test

Identify the following as element, compound or mixture

• 2 molecules of the compound Salt

• H₂O

• Compound of Water

• O₂

• 2 Elements of Oxygen

• H₂O + NaCl

• Mixture of Salt Water

• 2NaCl

• Element of Sodium

• Na

Which best describes the following best describes all of the following materials? Atmosphere, ocean water, river sand and steel?

• compounds

• mixtures

• elements

• none of the above

Label the following pictures as either compound, mixtures, or element

b

compound

element

Describe the groups of the periodic table from left to right in the correct order?

• From left to right the periodic table made up of alkali metals, alkaline earth metals, transition metals, metalloids, oxygen family, halogens and noble gasses

• From left to right the periodic table made up of noble gasses, , halogens, oxygen family, metalloids, alkanes, alkali metals, and transition metals,.

• From left to right the periodic table is made of halogens, transition metals, alkali metals, alkaline, metalloids, noble gases and oxygen family.

• From left to right the periodic table made up of alkaline, alkali metals, transition metals, metalloids, oxygen family, noble gasses and halogens

Which group of metals are the most reactive of the periodic table?

• Group 1 Alkali Metals

• Group 3-12 Transition Metals

• Group 17 Halogens

• Group 18 Noble Gases

Which group of nonmetals are inert or non reactive of the periodic table?

• Group 2 Alkaline Earth Metals

• Group 3-12 Transition Metals

• Group 17 Halogens

• Group 18 Noble Gases

Identify the number protons, electrons and neutrons?

• Protons: 36, Electrons: 36, and Neutrons: 48

• Protons: 36, Electrons 36 and Neutrons: 47

• Protons: 36, Electrons: 47 and Neutrons 83

• Protons: 36, Electrons 47 and Neutrons 36

Which part of the element determines the position the element is found on the periodic table?

• Proton

• Neutron

• Electron

• Atomic Mass

Match the following terms to their definition

• two or more atoms of element or compound

• element

• two or more elements chemically combined

• mixtures

• something can be seperated

• compound

• one or more of the same atom

• molecule

Read the following chemical formula: C₆H₁₂O₆. How many hydrogen atoms are in the formula?

• 12
• 6
• 4