What is an ionic compound - Study guides, Class notes & Summaries

Knew ton Alta Chapter 4 Practice Exam Questions and Answers Graded A+ What is the chemical formula for the ionic compound magnesium oxide? a. MgO b. MnO2 c. Mg2O d. Mg2O3 a. MgO Magnesium forms a 2+ ion and oxygen forms a 2− ion. Putting these ions together gives the formula MgO, which is named magnesium oxide. What is the name of the oxyacid with chemical formula H3PO4? a. Phosphorus acid b. Phosphoric acid c. Phosphate acid d. Hydrophosphoric acid b. Phosphoric acid ...

What are the steps of the scientific method? - Answer-Observation, question, hypothesis, experiment, analysis, conclusion What are the 7 characteristics of living things? - Answer-CHEMGER: cells, homeostatis, energy, metabolism, growth, evolution, reproduction What is the difference between a molecule, atom, compound, and element? (give an example) - Answer-order in size: atom, element, molecule, compound O O H2O H2O atoms make elements 2+ atoms make molecules 2+ elements make compounds...

BIO 1201 - MORONEY - EXAM 1 Questions With 100% Correct Answers Which statement about ALL living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron B ...

Mixture with uniform density throughout and no distinguishable coponents.Answer - Homogeneous Mixture Mixture in which the components are readily distinguished.Answer - Heterogeneous Mixture A change in which the checmical composition of a substance remains the same.Answer - Physical Change A change in which the chemical bonds are broken and reformed to create a new and different substance.Answer - Chemical Change The simplest of substances and is represented by a specific letter...

BTEC Applied Science Unit 1 Chemistry (Graded) How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct answerOrbitals must all be singly filled before they can be doubly occupied Which elements do not fill the 4s subshell befor...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024 QUESTION PAPER WITH QUESTIONS AND CORRCT ANSWERS GRADED A+ What is in the nucleus? - CORRECT ANSWER-Protons and neutrons What is relative atomic mass? - CORRECT ANSWER-Relative atomic mass is an average mass taking into account the different masses and abundances of all the isotopes that make up the element How do you calculate the relative atomic mass? - CORRECT ANSWER-Sum of (isotope abundance x isotope mass number) / sum of abundan...

Which statement about *ALL* living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above - Answer-C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron - Answer-B Sulfur has 6 electrons in its outer electron shell. It comb...

1. Proteins necessary for body's mainte- nance, growth, and repair (GS) 2. Carbohydrates and Fats used primarily for energy (GS) 3. 212 Water boils at degrees fahrenheit (GS) 4. 100 Water boils at degrees Cel- sius (GS) 5. 373 Water boils at Ks on the Kelvin scale (GS) 6. Veins carry blood from capillaries toward the heart. (GS) 7. Arteries carry blood away from the heart. (GS) 8. Ventricles lower chamber of the heart (GS) 9. Red Blood Cells component of blood which car- ri...

BIO 1201 - MORONEY - EXAM 1 SAMPLE/QUIZ 1 WITH COMPLETE SOLUTIONS Which statement about *ALL* living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron B...

PACT Science 7-12 Latest 2024 Graded A+ Ionic Character difference between in electronegativity between two atoms cation positively charged ions anion negatively charged ions Which organic compound smells like fruit? esters - mostly found in fruits Compound substance containing two or more chemical elements held together by chemical bonds What type of reaction is the process of fermentation? exothermic (converting sugar into alcohol) Molar volume of any gas at STP 22.4 ...