Firstclass5

Lewis Structures represents the transfer or the sharing of electrons in chemical bonds octet rule EVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL ionic bonding chemical bond formed through the transfer of one or more electrons from one atom or group of atoms to another group EX : NaBr metals give nonmetals take oxidation number the superscript indicating the charge on an ion ion atom with either positive or negative charge binary compound compounds in which 2 elements are present , m...

What were the physical properties used to identify alkanes and alkenes? Boiling points and Density What color is the potassium permanganate reagent in the Baeyer's test? Purple What color is the bromine in the bromine test? Yellowish/ Orange Which hydrocarbon will have positive result for the baeyer's and/or bromine test? Alkenes What solvent was used to extract curcumin? Isopropyl alcohol What is the percent of curcumin found in turmeric? 3-5% What can curcumin be used as in the lab? ...

Which of the following best defines Nutrition? A. Examines how nutrients are excreted. B. Science that studies how nutrients and compounds in foods nourish the body and affects functions and overall health. C. The science behind how the FDA determines what to put on nutrition facts. D. None of the above. B. Science that studies how nutrients and compounds in foods nourish the body and affects functions and overall health. A conditionally essential nutrient is best described as______. A...

Na⁺ Sodium Ion Zn²⁺ Zinc Ion Al³⁺ Aluminum Ion Fe²⁺ Iron(II) Ion or Ferrous Ion Fe³⁺ Iron (III) Ion or Ferric Ion Cu⁺ Copper(I) Ion or Cuprous Ion Cu²⁺ Copper(II) Ion or Cupric Ion NH₄⁺ Ammonium Ion H₃O⁺ Hydronium Ion H⁺ Hydrogen Ion

The Law of Definite Proportions states that in a given chemical compound, the elements are always combined in the same proportions by _______________ mass The Law of Conservation of mass states that no detectable gain or loss of mass occurs in chemical reactions. Mass is _______________. conserved Dalton's atomic theory states that matter consists of tiny particles called _____________ atoms Dalton's theory also states that atoms are ____________: in chemical reactions, atoms can rearra...

Which orbital is the electron in? l (L) value which orientation is the electron in? m sub L value n value use periodic table (period #) L value what orbital its in (s, p, d, f) m sub L value what orientation of the orbital is it in?---every electron in the atom has unique values for n, l, ml Electron configurations show... which orbitals are in an atom and how the electrons fill the orbitals Electron configurations focus on... ground state configuration (lowest energy state)-no electro...

Exam (elaborations) 8th Grade - BrainPOP Forces Quiz Questions With Correct Answers. 2 Exam (elaborations) Body Systems Brain Pop Quiz Questions And Answers With Latest Study Quiz 3 Exam (elaborations) Brain pop earth Questions And Answers With Latest Study Quiz 4 Exam (elaborations) Brain pop Point of View Questions And Answers With Latest Stud

What does the measurement unit N stand for? Newton Which two components must a vector quantity have? Direction and magnitude If the net force on an object is zero, what can you conclude? The object is not accelerating What can you infer about an object moving at a constant velocity? The forces acting on it are balanced. Acceleration occurs when an object is subjected to an: unbalanced force What is true of non-contact forces? They become weaker with distance. If you drop an egg off of th...

What is an example of an organ? Pancreas, brain, stomach, heart Cell is to tissue as brick is to _______. Wall Each of the 11 body systems: Depends on others to function The locomotor system includes which two systems? Skeletal and Muscular The excretory System gets rid of: Waste The _________ system delivers oxygen and nutrients to every cell in the body Circulatory What can you infer about carbon dioxide from the function of the respiratory system? It is harmful to your body What is t...

Why is the earths nickname the blue planet Because 70% of it surface is water What keeps earths temperature at the proper level for life It's distance from the sun What is the relationship between carbon and life on earth All life on earth is based on carbon How big is the earth compared with the other planets in the solar system It's the fifth larges Which choice accurately describes the function of the earths atmosphere It blocks harmful radiation but traps warmth Which of the followi...