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What element in the oxygen group is needed in trace amounts in your diet?
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What is an element that is the most abundant metal in the earth's crust?
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Elements Test
Crovato/Richerson
| Question | Answer |
|---|---|
| What element in the oxygen group is needed in trace amounts in your diet? | selenium |
| What is an element that is the most abundant metal in the earth's crust? | aluminum |
| What two elements are used with other metals to lower their melting points? | antimony and bismuth |
| Which non-meal is highly reactive? | hydrogen |
| All ________ elements are radioactive. | synthetic |
| Which alkaline earth metal is found in chlorophyll and enables plants to make food? | magnesium |
| The only metal that is not a solid at room temperature is ________ | mercury |
| In what type of bonding, are positively charged metallic ions surrounded by a cloud of electrons? | metallic bonding |
| At room temperature most metals are ____ | solid |
| Metals can be used as wire because they are ______ | ductile |
| Copper, silver, and gold are ____ metals | coinage |
| List 3 transition elements in Group 12 of the periodic table. | mercury, zinc, cadmium |
| All _____ elements are not typically found on earth | synthetic |
| Synthetic elements are found in which group? | actinides |
| Elements that lie around the stair-step line of the periodic table are ____ | metalloids |
| Which of the Group 3A elements is NOT a metal? | boron |
| Which category of elements have the property of being malleable and ductile? | metals |
| Each row in the periodic table ends with a _______ | nobel gas |
| What element is not in the iron triad? | coper |
| The most unreactive group of elements is the ________ | noble gases |
| A group of elements that have 2 electrons in its outer energy level is the _________ | alkaline earth metals |
| The bonding that occurs when positively charged ions are surrounded by a cloud of electrons is called ____ bonding | metallic |
| The ability of metals to reflect light is referred to as ____ | luster |
| An allotrope of carbon that is soft and can be used as a lubricant is ___ | graphite |
| Different forms of the same element that have different properties because of different atom arrangements are called ______ | allotropes |
| In what type of element does the nucleus break down and give off particles and energy? | radioactive |
| An allotrope of carbon that is hard and is often used in jewelry is ____ | diamond |
| Bromine is the only halogen and nonmetal that is normally a ___ | liquid |
| The elements in Group 3 through 12 of the periodic table are the _________ | transition elements |
| A synthetic element that is used in smoke detectors is _____ | americium |
| The iron triad of transition metals includes what 3 elements? | iron, zinc, and copper |
| When metals combine with nonmetals, the atoms of the metals tend to lose electrons, forming what type of bonds? | ionic bonds |
| The process by which a solid changes directly to a gas without first becoming a liquid is called _____ | sublimation |
| What often occur in nature as uncombined elements? | transition elements |
| Substances that conduct an electric current only under certain conditions are most likely to be _____ | metalloids |
| When hydrogen reacts with the active metals, how does it form a chemical bond? | by gaining 1 electron |
| A chemical family whose members exist as reactive diatomic molecules in the gaseous phase is the ____ | halogens |
| A family of elements that has 2 electrons in its outer energy level is the ________ | alkaline earth metals |
| A family of elements that contains the most reactive metals is the _____ | alkali metals |
| What happens when hydrogen reacts with active metals? | it gains one electron |
| Why is hydrogen grouped with the alkali metals? | because it has one electron in its outer energy level |
Created by:
dcrovato