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Question
Express each of the following numbers using scientific notation.1. 351 000 000 000
2. . 0.000 860
3. . 5 207 000
4. . 0.000 000 050
Answer
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Related questions
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A nuclear equation is balanced when
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B) the sum of the mass numbers and the sum of the atomic numbers of the particles and atoms are the same on both sides of the equation.
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D) different particles and atoms are on both sides of the equation.
E) the charges of the particles and atoms are the same on both sides of the equation.
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D) consist of high energy electrons.
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B) transformation.
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The number of valence electrons found in an atom of a Group A element is equal to
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Q:
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Q:
What is the electron configuration for potassium (atomic number 19)?
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B) 1s22s22p6 3s23p53d2
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Q:
The elements sodium, magnesium, and silicon
A) are isotopes of each other.
B) are in the same period of elements.
C) have the same number of neutrons.
D) are in the same group.
E) have the same mass number.
Q:
Which of the following is NOT true for the atoms 13N, 14N, and 15N?
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B) They are isotopes.
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According to the Atomic Theory,
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Select the correct symbol for the element.
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Select the correct symbol for the element.
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Select the correct symbol for the element.
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Q:
As a solid melts, its temperature does not change.