Scin131 week 3 quiz 3 - Guides d'étude, Notes de cours & Résumés

SCIN131 Week 1 Quiz. Released: Jun 18, 2021 11:55 PM 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. 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 on my hou...

SCIN131 Week 1 Quiz. Released: Jun 18, 2021 11:55 PM 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. 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 on my hou...

Question 7 of 25 4.0/ 4.0 Points Which of the following is the correct chemical formula for a molecule of bromine?  A. Br2  B. Br+ C. Br-  D. Br Feedback: Great! Use naming rules and charge balancing. Topic discussed in 3.7 and 4.3. Question 8 of 25 4.0/ 4.0 Points All of the following are in aqueous solution. Which is incorrectly named?  A. H3PO4, phosphoric acid  B. HCN, cyanic acid C. HCl, hydrochloric acid  D. H2CO3, carbonic acid  E. ...

SCIN131 – Week 2 Lesson Quiz (92%) Part 1 of 3 - 36.0/ 40.0 Points Question 1 of 25 4.0/ 4.0 Points `Isotopes of two different elements could not have A. different number of protons. B. the same number of neutrons C. different number of electrons D. different number of neutrons E. it is possible they could have any of these Feedback: Topic discussed in Chapter 2 Question 2 of 25 4.0/ 4.0 Points `If a silicon atom contains 16 neutrons, what is it...

SCIN131 – Week 2 Lesson Quiz (92%) Part 1 of 3 - 36.0/ 40.0 Points Question 1 of 25 4.0/ 4.0 Points `Isotopes of two different elements could not have A. different number of protons. B. the same number of neutrons C. different number of electrons D. different number of neutrons E. it is possible they could have any of these Feedback: Topic discussed in Chapter 2 Question 2 of 25 4.0/ 4.0 Points `If a silicon atom contains 16 neutrons, what is it...

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 Week 3 Quiz / SCIN131 Week 3 Quiz: American Military University | Score: 87 / 100 (87%) | Latest 2021

SCIN131 Week 2 Quiz 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. The nucleus is a dense region of positive charge that always contains protons and neutrons. Matter cannot be either created or destroyed in a chemical reaction t...

SCIN131 Week 2 Lesson Quiz 2SCIN131 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

SCIN131 Week 2 Quiz 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. The nucleus is a dense region of positive charge that always contains protons and neutrons. Matter cannot be either created or destroyed in a chemical reaction. Hide Fe...