SCIN 131 (SCIN 131)

Released: Jun 25, 2021 11:55 PM Your quiz has been submitted successfully. 3 / 3 points `Which of the following statements is true as stated by the chemist Joseph proust? Question options: All atoms of a given element have a constant composition and are different than atoms of any other element. All samples of a given compound have the same proportions of their constituent elements. The nucleus is a dense region of positive charge that always contains protons and neutrons. Matter cannot be eithe...

Your quiz has been submitted successfully. 3 / 3 points Which of the following is an observation? Question options: The universe began as a cosmic explosion called the Big Bang. The star closest to Earth is moving away from Earth at high speed. Matter is made of atoms. A body in motion stays in motion unless acted upon by force. Hide Feedback Great! This topic is discussed in Chapter 1 in the text. This is the scientific method. 3 / 3 points I have decided to jump off the tallest peak...

Your quiz has been submitted successfully. 3 / 3 points Which of the following is an observation? Question options: The universe began as a cosmic explosion called the Big Bang. The star closest to Earth is moving away from Earth at high speed. Matter is made of atoms. A body in motion stays in motion unless acted upon by force. Hide Feedback Great! This topic is discussed in Chapter 1 in the text. This is the scientific method. 3 / 3 points I have decided to jump off the tallest peak...

SCIN131 Week 2 Lesson Quiz 2 Week 2 Lesson Quiz Part 1 of 3 - 36.0/ 40.0 Points Question 1 of 25 4.0 / 4.0 Points To which family does krypton belong? • A. alkaline earth metals • B. alkali metals • C. halogens • D. noble gases • E. none of the above Feedback:Topic discussed in Chapter 3.6 Question 2 of 25 4.0 / 4.0 Points An aluminum ion, Al3+, has: • A. 13 protons and 13 electrons

SCIN 131 Lesson 4 Quiz

SCIN 131 - Week 7 Lesson Quiz Mar 17, 2021 3 / 3 points `In terms of metallic character, which of these has the least? Question options: Na Cs Rb K 3 / 3 points `In terms of the size of the atom, which of these is the largest? Question options: Rb Na K Li 3 / 3 points During a sunset, molecules interact with light and scatter all but which colors? Question options: purple blue green 3 / 3 points `Which of the following letters represents the principal shell? Question options: s p Cs redn Cr d f ...

SCIN 131 - Week 7 Lesson Quiz Mar 17, 2021 3 / 3 points `In terms of metallic character, which of these has the least? Question options: Na Cs Rb K 3 / 3 points `In terms of the size of the atom, which of these is the largest? Question options: Rb Na K Li 3 / 3 points During a sunset, molecules interact with light and scatter all but which colors? Question options: purple blue green 3 / 3 points `Which of the following letters represents the principal shell? Question options: s p Cs redn Cr d f ...