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