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Ch 10/11 Chemistry

Pershing Chpt 10 and 11

What type of atoms can create metallic bonds? Only metals
What happens in an ionic compound? The atoms are held together with the TRANSFER of electrons from the metal to the nonmetal.
What type of compound has at least one metal and one nonmetal? an ionic compound
How are atoms in covalent compounds held together? They SHARE electrons
What type of bond is formed between only nonmetals? covalent bonds
What do elements in the same group have in common? They all have the same number of valence electrons
What element only needs 2 valence electrons to have a full valence shell? Helium
What do atoms share, gain or lose when they are bonding with other atoms? electrons
What is special about noble gases? they have a full valence shell so they don't normally bond with other elements
Which electrons are take part in chemical bonding? only the valence electrons
How are electrons in an atom organized? in energy levels
What is an ion? when an atom gains or loses at least one electron and becomes either positively or negatively charged
What is an ionic bond formed? When one metal atom transfers and electron to a non metal atom
When does an atom have a negative charge? When it gains electrons
What is the atomic number? the number of protons an atom has
What is the most number of electrons that can be in the second and third energy levels? 8
What is the maximum number of electrons that can be in the first energy level? 2
What is a chemical bond? a chemical interaction that holds 2 atoms together
Because metallic bonds allow the electrons to change shape, what can metals do that others cannot? bend into different shapes without breaking
Who arranged the periodic table by atomic number? Henry Mosely
What is ductility? ability to be drawn into thin wires
If an element can reflect light and looks shiny, it is said to have what ? luster
What is electrical conductivity? the ability to carry and electric current
What is malleability? the ability to be bent, hammered or rolled into thin sheets without breaking
Which electrons are involved in chemical bonding? valence electrons
What is the periodic table? chart of elements arranged in rows and columns according to their atomic number and properties
What is the row on the periodic table called? period
What are the columns on a periodic table called? groups
What is a electron dot diagram? a model that shows only the valence electrons as dots around the chemical symbol
What is Dimitri Mendeleev know for? trying to arrange elements in a pattern using their atomic mass
Created by: ellist



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