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