Which Statement Concerning Atoms Is FALSE

question 105

Multiple Choice

Which statement concerning atoms is FALSE?

• A)The atomic number of an atom is the number of protons it contains.
• B)The mass number of an atom is the sum of the number of protons,neutrons,and electrons it contains.
• C)The nucleus of an atom contains its protons and neutrons,and is positively charged.
• D)The nucleus of an atom is the heaviest part of the atom.
• E)Electrons reside outside the nucleus in what is called the electron cloud.

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Definitions:

Sperm Cells

Sperm cells are male reproductive cells responsible for fertilizing female egg cells to initiate pregnancy.

Chromosomes

Thread-like structures located in the nucleus of animal and plant cells, made of DNA and protein, containing genes.

Meiosis I

The first division of meiosis, a type of cell division that reduces the chromosome number by half and leads to the production of gametes or spores.

Meiosis II

The second division phase in meiosis, following Meiosis I, where sister chromatids are separated, resulting in four haploid cells.