A) It is composed of electrons and neutrons B) It is composed of protons and electrons C) It is composed of protons only D) It is composed of protons and neutrons
A) 0 B) - C) +
A) have an equal number of neutrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of electrons and protons.
A) digesting food B) cooking eggs C) breaking a pencil D) burning wood
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Neutrons B) Protons C) Protons and Neutrons D) Valence Electrons
A) color B) density C) shape D) pH
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) eight protons in its nucleus.
A) protons plus the number of electrons. B) neutrons. C) protons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are usually gases. D) They are located in the left-most column of the periodic table.
A) They form compounds with very bright colors. B) a basically nonreactive. C) They are extremely rare in nature. 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) are nonreactive 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) location; ionization C) number; mass D) mass;number
A) 3 neutrons B) 6 neutrons C) 12 neutrons D) 8 neutrons
A) Alkaline Metals B) Alkaline Earth C) Halogens D) Noble Gases
A) Akali B) Noble Gases C) Halogens D) Alkaline Earth
A) Alkali B) Alkaline Earth C) Halogens D) Noble Gases
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) 3 B) 2 C) 4 D) 5
A) nonmetals B) metalloids C) metals
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) alphabetically B) by date discovered C) According to atomic mass D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) neutrons B) electrons C) nucleus D) protons
A) color B) pH C) flammability D) reactivity
A) pH B) texture C) density D) shape
A) crushing B) burning C) adding dye D) breaking
A) burning B) precipitate forming C) rusting D) breaking
A) can be observed with senses B) vary within the same element C) can only be observed by changing the substance 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) can be observes with the senses D) cn only be observed by changing the substance
A) chemical B) physical
A) chemical B) physical
A) not enough information B) it will sink C) it will float
A) kelvin B) liters C) second D) meters
A) hours B) kilograms C) grams D) meters
A) accurate B) precise C) both accurate and precise D) nethier accurate or precise
A) 1/1,000 B) 1,000 C) 100 D) 1/100
A) independent B) dependent C) constant D) control
A) strawberries B) length of study C) fertilizer D) growth
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) dependent B) independent C) constant D) control
A) graduated cylinder B) stirring rod C) tongs D) beaker
A) 13 B) 16 C) 0 D) 10
A) 18 B) 17 C) 19 D) 35
A) 12 B) 10 C) 26 D) 14
A) 10 B) 8 C) 2 D) 18
A) 57 amu B) 5.7 amu C) 115 amu D) 0.57 amu
A) 2 B) 1 C) 4 D) 3
A) 67.2 mol B) 0.5 mol C) 89.6 mol D) 2 mol
A) 21.07 atoms B) 2.107x1024 atoms C) 5.8x1022 atoms D) 1.72x1023 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Democritus B) Rutherford C) Chadwick D) Thomson
A) Shrodinger and Heisenburg B) Thomson C) Bohr D) Rutherford
A) Dalton B) Rutherford C) Bohr D) Thomson
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Rutherford C) Dalton D) Chadwick
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electron number never changes. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electrons are positively charged.
A) negative charge B) larger mass C) smaller mass D) positive charge
A) neutrons B) electrons C) positrons D) protons
A) 1.33g/ml B) 0.33g/ml C) 72g/ml D) 3g/ml
A) 10.7g B) 17.5g C) 0.094g D) 16g |