A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons and electrons
A) 0 B) - C) +
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) digesting food B) cooking eggs C) burning wood D) breaking a pencil
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Protons B) Valence Electrons C) Neutrons D) Protons and Neutrons
A) shape B) pH C) density D) color
A) a total of eight neutrons and electrons. B) eight protons in its nucleus. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons. B) neutrons. C) protons plus the number of neutrons. D) protons plus the number of electrons.
A) They form negative ions with a -1 charge. B) They are located in the left-most column of the periodic table. C) They are extremely nonreactive. D) They are usually gases.
A) They form compounds with very bright colors. B) They are extremely rare in nature. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) are all metals B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are nonreactive
A) In the bottom rows. B) On the left-most side. C) In the middle column of the periodic table. D) On the right side.
A) color; smell B) mass;number C) number; mass D) location; ionization
A) 3 neutrons B) 8 neutrons C) 12 neutrons D) 6 neutrons
A) Alkali Metals B) Alkaline Earth C) Halogens D) Noble Gases
A) Halogens B) Noble Gases C) Akali D) Alkaline Earth
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) 2 B) 4 C) 3 D) 5
A) metalloids B) nonmetals C) metals
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) According to atomic mass B) alphabetically C) according to atomic number D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) nucleus B) electrons C) neutrons D) protons
A) color B) reactivity C) flammability D) pH
A) adding dye B) crushing C) burning D) breaking
A) can only be observed by changing the substance B) can be observed with senses C) vary within the same element D) only can be seen in a few elements
A) only can be observed in a few elements B) vary within the same element C) cn only be observed by changing the substance D) can be observes with the senses
A) chemical B) physical
A) chemical B) physical
A) not enough information B) it will sink C) it will float
A) kilograms B) hours C) meters D) grams
A) nethier accurate or precise B) accurate C) precise D) both accurate and precise
A) 1,000 B) 100 C) 1/100 D) 1/1,000
A) independent B) constant C) control D) dependent
A) fertilizer B) strawberries C) growth D) length of study
A) control B) constant C) independent D) dependent
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 0 B) 13 C) 16 D) 10
A) 19 B) 18 C) 35 D) 17
A) 26 B) 10 C) 14 D) 12
A) 8 B) 10 C) 2 D) 18
A) 115 amu B) 5.7 amu C) 57 amu D) 0.57 amu
A) 4 B) 3 C) 2 D) 1
A) Bohr B) Thomson C) Rutherford D) Dalton
A) Rutherford B) Chadwick C) Thomson D) Democritus
A) Thomson B) Shrodinger and Heisenburg C) Bohr D) Rutherford
A) Bohr B) Dalton C) Thomson D) Rutherford
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Rutherford B) Chadwick C) Bohr D) Dalton
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electrons are positively charged. C) Electron number never changes. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) negative charge B) larger mass C) positive charge D) smaller mass
A) neutrons B) protons C) electrons D) positrons
A) 1.33g/ml B) 3g/ml C) 72g/ml D) 0.33g/ml
A) 10.7g B) 0.094g C) 17.5g D) 24g |