A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) 0 B) + C) -
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. 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) Discovery Date C) Atomic Number D) Atomic Mass
A) Valence Electrons B) Protons C) Neutrons D) Protons and Neutrons
A) shape B) density C) color D) pH
A) eight neutrons in its nucleus. B) a total of eight neutrons and electrons. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of electrons. B) neutrons. 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 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) have only 1 valence electron B) exist in all three states of matter in normal conditions C) are all metals D) are nonreactive
A) On the left-most side. B) In the middle column of the periodic table. C) On the right side. D) In the bottom rows.
A) mass;number B) location; ionization C) number; mass D) color; smell
A) 6 neutrons B) 3 neutrons C) 8 neutrons D) 12 neutrons
A) Halogens B) Alkaline Metals C) Alkaline Earth D) Noble Gases
A) Akali B) Alkaline Earth C) Noble Gases D) Halogens
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) Halogens B) Alkaline Earth C) Alkali D) Noble Gases
A) 3 B) 5 C) 4 D) 2
A) metalloids B) metals C) nonmetals
A) Mendleev B) Einstein C) Ms. Watson D) Mosely
A) According to atomic mass B) alphabetically C) according to atomic number D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Mass B) Atomic Number-Atomic mass C) Atomic Number D) Atomic Mass-Atomic Number
A) nucleus B) protons C) neutrons D) electrons
A) color B) reactivity C) flammability D) pH
A) pH B) density C) shape D) texture
A) burning B) crushing C) breaking D) adding dye
A) burning B) rusting C) precipitate forming D) breaking
A) can be observed with senses B) can only be observed by changing the substance C) vary within the same element D) only can be seen in a few elements
A) can be observes with the senses B) vary within the same element C) cn only be observed by changing the substance D) only can be observed in a few elements
A) physical B) chemical
A) physical B) chemical
A) it will sink B) not enough information C) it will float
A) second B) liters C) meters D) kelvin
A) hours B) meters C) kilograms D) grams
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 1/1,000 B) 1,000 C) 100 D) 1/100
A) dependent B) control C) independent D) constant
A) fertilizer B) length of study C) growth D) strawberries
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) independent B) constant C) control D) dependent
A) beaker B) tongs C) graduated cylinder D) stirring rod
A) 16 B) 10 C) 0 D) 13
A) 17 B) 35 C) 19 D) 18
A) 26 B) 14 C) 10 D) 12
A) 8 B) 2 C) 10 D) 18
A) 115 amu B) 5.7 amu C) 0.57 amu D) 57 amu
A) 2 B) 3 C) 1 D) 4
A) 0.5 mol B) 2 mol C) 89.6 mol D) 67.2 mol
A) 2.107x1024 atoms B) 1.72x1023 atoms C) 5.8x1022 atoms D) 21.07 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Thomson B) Dalton C) Bohr D) Rutherford
A) Rutherford B) Thomson C) Chadwick D) Democritus
A) Rutherford B) Shrodinger and Heisenburg C) Bohr D) Thomson
A) Thomson B) Rutherford C) Dalton D) Bohr
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Rutherford B) Dalton C) Chadwick D) Bohr
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) positive charge B) negative charge C) larger mass D) smaller mass
A) electrons B) neutrons C) protons D) positrons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 16g B) 10.7g C) 17.5g D) 0.094g |