Answer:
Explanation: NO, because dental varnish interferes with the bonding and setting reaction of composite resins and glass ionomer restorations the use of varnish is contraindicated with these materials.
A dense substance that is hard and incompressible
The atom X has 15 electrons.
The number of electrons in an atom is equal to the number of protons. Since the atom X has 15 protons, it also has 15 electrons.
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(1) seizing the land of the lettuce and grape
growers
(2) securing passage of federal legislation to limit
immigration
(3) using nonviolent tactics such as boycotts and
hunger strikes
(4) urging growers to reduce the workforce
through mechanization
Answer:
The correct answer is option (3) "using nonviolent tactics such as boycotts and hunger strikes".
Explanation:
Cesar Chavez was a leader of American labor and civil right activists that fought to unionized migrant farm workers by the creation of The National Farm Workers Association. Cesar Chaves used nonviolent tactics to support the migrant farm workers. For instance, when Filipino American farm workers protested for higher wages in 1965, he encouraged Americans to boycott table grapes to support them; while he once performed a 24-day hunger strike in 1972 in the Santa Rita Center as a response to Arizona prohibiting boycotts and strikes by farm workers.
Notes, Pitches, Articulation, Phrasing, and Musical Extras.
True
Or False
True. In a chemical change, the same atoms are recombined into a new substances,
In a chemical change, also known as a chemical reaction, the atoms of the reactants are rearranged and recombined to form new substances with different chemical properties.
While the atoms themselves are not created or destroyed, their arrangement and bonding patterns change, resulting in the formation of new molecules or compounds. This process involves breaking and forming chemical bonds, leading to the creation of different substances with distinct properties from the original reactants.
Learn more about chemical change
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in the atom.
B. Electronegativity increases because there are more valence
electrons in the atom.
C. Electronegativity decreases because the valence electrons are
farther from the nucleus.
D. Electronegativity decreases because the size of the nucleus is
bigger.
Electronegativity decreases because the valence electrons are farther from the nucleus. Hence, option C is correct.
Electronegativity is a chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
From top to bottom down a group, electronegativity decreases. This is because atomic number increases down a group, and thus there is an increased distance between the valence electrons and nucleus, or a greater atomic radius.
Important exceptions to the above rules include the noble gases, lanthanides, and actinides.
Electronegativity decreases because the valence electrons are farther from the nucleus. Hence, option C is correct.
Learn more about Electronegativity here:
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