How does carbon (C) differ from silicon( Si)? A. Carbon (C) has 1 less electron energy shell than silicon (Si).
B. Carbon (C) has 1 more proton energy shell than silicon (Si).
C. Carbon (C) has 1 less electron than silicon (Si).
D. Carbon (C) has 8 more electron energy shells than silicon (Si).

the correct answer is a

honesty and integrity.

inspire others.

commitment and passion.

good communicator.

decision-making capabilities.

accountability.

delegation and empowerment.

creativity and innovation.

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percent abundance for cu-63 can be shown as:

63 x + 65 (1-x) = 62.9296

65 - 62.9296 = 2 x

x = 1.035

thus, percent abundance for cu-63 is 1.035

percent abundance for cu-65 can be shown as:

63 x + 65 (1-x) = 64.9278

65 - 64.9278 = 2 x

x = 0.0361

thus, percent abundance for cu-63 is 0.0361

the mass spectrum of cu-63 showing the intense peak as, this isotope is found in nature more abundantly around 92.38 % in comparison to cu-65 which is found 62.58 % naturally