Unit B-2 Word Scramble
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Question | Answer |
Element | A substance consisting of atoms which all have the same number of protons |
Mass number | The total number of protons and neutrons (together known as nucleons) |
Solid | Firm and stable in shape |
Atomic Number | The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table. |
Liquid | Having a consistency like that of water or oil |
Neutron | a subatomic particle of about the same mass as a proton but without an electric charge |
State of Matter | Is one of the distinct forms that matter takes on. |
Valence Electron | Is an electron that is associated with an atom |
Reactivity | The state or power of being reactive or the degree to which a thing is reactive. |
Gas | An air like fluid substance which expands freely to fill any space available, irrespective of its quantity. |
Electron cloud | The system of electrons surrounding the nucleus of an atom. |
State of Matter | Is one of the distinct forms that matter takes on. Four states of matter are observable in everyday life: solid, liquid, gas, and plasma. |
Atom | The basic unit of a chemical element. |
Proton | A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign. |
Nucleus | The central and most important part of an object, movement, or group, forming the basis for its activity and growth |
Electron | A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids. |
Periodic Table of Elements | A tabular arrangement of the chemical elements, ordered by their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties. |
Atomic Mass | The mass of an atom of a chemical element expressed in atomic mass units. |
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