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