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