Question

1) Beta particles are emitted from radioactive Atom P when it disintegrates spontaneously to form non radioactive Atom Q. Which of these statements is most likely correct about Atom P and Atom Q?

The nucleus of Atom P emits neutrons and protons.
The nucleus of Atom Q emits neutrons and protons.
The nucleus of Atom P is more stable than the nucleus of Atom Q.
The nucleus of Atom Q is more stable than the nucleus of Atom P.

Answer 1

@Harkirat help

Answer 2

@amistre64

Answer 3

@tcarroll010

Answer 4

@saifoo.khan

Answer 5

The nucleus of Atom Q is more stable than the nucleus of Atom P.

Answer 6

thanks man! @Harkirat
Which of these qualities helps scientists to choose appropriate methods to date fossils?

punctuality
honesty
creativity
modesty

Ptolemy believed that Earth was at the center of the universe. Kepler believed that the sun was at the focus of Earth's elliptical orbit. Which of these statements best explains why Ptolemy and Kepler made different observations about the solar system?

The focus of their study was different.
They studied outdated theories and evidences.
They could not match the data with the observations.
They believed in proposing different theories to strengthen scienc

Answer 7

creativity

The focus of their study was different.

Answer 8

All scientific theories on the solar system are based on

biased scientific data
non-testable facts
non-observable information
study of current evidences

Answer 9

@whpalmer4

Answer 10

@countonme123