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Ch.11 Quiz Science

QuestionAnswer
what does the periodic table organize elements
Each block in the periodic table describes basic ____ of one element properties
The periodic table lists the elements in order by their ____ atomic number
Elements in groups have similar ____ properties physical
are on the left side of the periodic table metals
are on the right side of the periodic table non-metals
located on the narrow stair step region between the metals and non metals metalloids
most of the matter around you is made of _____ that include two or more different elements. compounds
is a force that holds atoms together a chemical bond
atoms contain __ with positive charge, ___ with neutral charge, and ____ with negative charge. protons, neutrons, electrons
atomic particles that participate in chemical bonding valence electrons
electrons closest to the nucleus have the ____ energy and those farthest have the ___ energy. lowest, and highest
The maximum number of electrons in the first energy level, which is closest to the nucleus, is __. The maximum number of electrons in the second energy level is ___. two,eight
The ____ electrons in an atom are involved in chemical bonding. These electrons are less strongly attached to the _____ valence /outermost, nucleus
an outermost electron that participates in chemical bonding valence electron
The number of valence electrons in an atom tells you how many __ an atom can form. bonds
Each element in the same __ in the periodic tale has the same # of valence electrons group
The _____ is a model that represents valence electrons in an atom as dots around the elements chemical symbol electron dot diagram
To create an electron dot diagram, draw one dot for each electron in the atom, placing one dot on each of the ____ sides of the symbol and then pairing additional dots. four
The number of ___ dots in the electron dot diagram tells you how many bonds an atom can form. unpaired
6. Many atoms are stable with __ valence electrons. An atom with at least one unpaired electron is __ eight, reactive
___ atoms do not easily react with or form bonds with other atoms. stable
b. Group 18 includes the ____ with the exception of helium each of these gases have eight valence electrons and are stable. noble gases
stable atoms have ___ valence electrons four
unstable atoms can become stable only by forming __ with other atoms. bonds
atoms tend to gain lose or share valence electrons until each atom has the same number of valence electrons as the noble ___ gasses
is an atom that is no longer electrically neutral because it has lost or gained valence electrons atoms of 2 or more nonmetals form compounds by sharing valence electrons ion
- ___ and __ do not share electrons metal, nonmetal
metal atoms, become more stable when they ___ valence electrons lose
___ can gain valence electrons from metal atoms non-metal atoms
non metal atoms can _ valence electrons with other non metals share
ionic bond elements far away from each other from ___. left to right.
ionic bond-attraction between positively and negatively charged ions and ____ ionic compounds
metals ___ valence electrons, non-metals ___ valence electrons. lose, gain
nonmetal atoms gain electrons lost by metal atom. chemical bond
solid and brittle at room temp., high melting and boiling points, dissolve in water and have good conductivity. (ion-ion) ionic compounds
many metal atoms share their pooled valence electrons metallic bond
metal atoms form compounds bu combining with another which is known as ____ pooling
valence electrons in metals aren't bonded to j. one _____ surrounds the positive ions sea of electrons
Created by: Sofi_Penailillo
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